apron. "Youalways got to remember that any congolene left

CHAPTER TWENTY-SECOND. The Jet of Light.--The Missionary.--The Rescue in a Ray of Electricity.--A Lazarist Priest.--But little Hope.--The Doctor's Care.--A Life of Self-Denial. --Passing a Volcano. Dr. Ferguson darted his powerful electric jet toward various points of space, and caused it to rest on a spot from which shouts of terror were heard. His companions fixed their gaze eagerly on the place. The baobab, over which the balloon was hanging almost motionless, stood in the centre of a clearing, where, between fields of Indian-corn and sugar-cane, were seen some fifty low, conical huts, around which swarmed a numerous tribe. A hundred feet below the balloon stood a large post, or stake, and at its foot lay a human being--a young man of thirty years or more, with long black hair, half naked, wasted and wan, bleeding, covered with wounds, his head bowed over upon his breast, as Christ's was, when He hung upon the cross. The hair, cut shorter on the top of his skull, still indicated the place of a half-effaced tonsure. "A missionary! a priest!" exclaimed Joe. "Poor, unfortunate man!" said Kennedy. "We must save him, Dick!" responded the doctor; "we must save him!" The crowd of blacks, when they saw the balloon over their heads, like a huge comet with a train of dazzling light, were seized with a terror that may be readily imagined. Upon hearing their cries, the prisoner raised his head. His eyes gleamed with sudden hope, and, without too thoroughly comprehending what was taking place, he stretched out his hands to his unexpected deliverers. "He is alive!" exclaimed Ferguson. "God be praised! The savages have got a fine scare, and we shall save him! Are you ready, friends?" "Ready, doctor, at the word." "Joe, shut off the cylinder!" The doctor's order was executed. An almost imperceptible breath of air impelled the balloon directly over the prisoner, at the same time that it gently lowered with the contraction of the gas. For about ten minutes it remained floating in the midst of luminous waves, for Ferguson continued to flash right down upon the throng his glowing sheaf of rays, which, here and there, marked out swift and vivid sheets of light. The tribe, under the influence of an indescribable terror, disappeared little by little in the huts, and there was complete solitude around the stake. The doctor had, therefore, been right in counting upon the fantastic appearance of the balloon throwing out rays, as vivid as the sun's, through this intense gloom. The car was approaching the ground; but a few of the savages, more audacious than the rest, guessing that their victim was about to escape from their clutches, came back with loud yells, and Kennedy seized his rifle. The doctor, however, besought him not to fire. The priest, on his knees, for he had not the strength to stand erect, was not even fastened to the stake, his weakness rendering that precaution superfluous. At the instant when the car was close to the ground, the brawny Scot, laying aside his rifle, and seizing the priest around the waist, lifted him into the car, while, at the same moment, Joe tossed over the two hundred pounds of ballast. The doctor had expected to ascend rapidly, but, contrary to his calculations, the balloon, after going up some three or four feet, remained there perfectly motionless. "What holds us?" he asked, with an accent of terror. Some of the savages were running toward them, uttering ferocious cries. "Ah, ha!" said Joe, "one of those cursed blacks is hanging to the car!" "Dick! Dick!" cried the doctor, "the water-tank!" Kennedy caught his friend's idea on the instant, and, snatching up with desperate strength one of the water-tanks weighing about one hundred pounds, he tossed it overboard. The balloon, thus suddenly lightened, made a leap of three hundred feet into the air, amid the howlings of the tribe whose prisoner thus escaped them in a blaze of dazzling light. "Hurrah!" shouted the doctor's comrades. Suddenly, the balloon took a fresh leap, which carried it up to an elevation of a thousand feet. "What's that?" said Kennedy, who had nearly lost his balance. "Oh! nothing; only that black villain leaving us!" replied the doctor, tranquilly, and Joe, leaning over, saw the savage that had clung to the car whirling over and over, with his arms outstretched in the air, and presently dashed to pieces on the ground. The doctor then separated his electric wires, and every thing was again buried in profound obscurity. It was now one o'clock in the morning. The Frenchman, who had swooned away, at length opened his eyes. "You are saved!" were the doctor's first words. "Saved!" he with a sad smile replied in English, "saved from a cruel death! My brethren, I thank you, but my days are numbered, nay, even my hours, and I have but little longer to live." With this, the missionary, again yielding to exhaustion, relapsed into his fainting-fit. "He is dying!" said Kennedy. "No," replied the doctor, bending over him, "but he is very weak; so let us lay him under the awning." And they did gently deposit on their blankets that poor, wasted body, covered with scars and wounds, still bleeding where fire and steel had, in twenty places, left their agonizing marks. The doctor, taking an old handkerchief, quickly prepared a little lint, which he spread over the wounds, after having washed them. These rapid attentions were bestowed with the celerity and skill of a practised surgeon, and, when they were complete, the doctor, taking a cordial from his medicine-chest, poured a few drops upon his patient's lips. The latter feebly pressed his kind hands, and scarcely had the strength to say, "Thank you! thank you!" The doctor comprehended that he must be left perfectly quiet; so he closed the folds of the awning and resumed the guidance of the balloon. The latter, after taking into account the weight of the new passenger, had been lightened of one hundred and eighty pounds, and therefore kept aloft without the aid of the cylinder. At the first dawn of day, a current drove it gently toward the west-northwest. The doctor went in under the awning for a moment or two, to look at his still sleeping patient. "May Heaven spare the life of our new companion! Have you any hope?" said the Scot. "Yes, Dick, with care, in this pure, fresh atmosphere." "How that man has suffered!" said Joe, with feeling. "He did bolder things than we've done, in venturing all alone among those savage tribes!" "That cannot be questioned," assented the hunter. During the entire day the doctor would not allow the sleep of his patient to be disturbed. It was really a long stupor, broken only by an occasional murmur of pain that continued to disquiet and agitate the doctor greatly. Toward evening the balloon remained stationary in the midst of the gloom, and during the night, while Kennedy and Joe relieved each other in carefully tending the sick man, Ferguson kept watch over the safety of all. By the morning of the next day, the balloon had moved, but very slightly, to the westward. The dawn came up pure and magnificent. The sick man was able to call his friends with a stronger voice. They raised the curtains of the awning, and he inhaled with delight the keen morning air. "How do you feel to-day?" asked the doctor. "Better, perhaps," he replied. "But you, my friends, I have not seen you yet, excepting in a dream! I can, indeed, scarcely recall what has occurred. Who are you --that your names may not be forgotten in my dying prayers?" "We are English travellers," replied Ferguson. "We are trying to cross Africa in a balloon, and, on our way, we have had the good fortune to rescue you." "Science has its heroes," said the missionary. "But religion its martyrs!" rejoined the Scot. "Are you a missionary?" asked the doctor. "I am a priest of the Lazarist mission. Heaven sent you to me--Heaven be praised! The sacrifice of my life had been accomplished! But you come from Europe; tell me about Europe, about France! I have been without news for the last five years!" "Five years! alone! and among these savages!" exclaimed Kennedy with amazement. "They are souls to redeem! ignorant and barbarous brethren, whom religion alone can instruct and civilize." Dr. Ferguson, yielding to the priest's request, talked to him long and fully about France. He listened eagerly, and his eyes filled with tears. He seized Kennedy's and Joe's hands by turns in his own, which were burning with fever. The doctor prepared him some tea, and he drank it with satisfaction. After that, he had strength enough to raise himself up a little, and smiled with pleasure at seeing himself borne along through so pure a sky. "You are daring travellers!" he said, "and you will succeed in your bold enterprise. You will again behold your relatives, your friends, your country--you--" At this moment, the weakness of the young missionary became so extreme that they had to lay him again on the bed, where a prostration, lasting for several hours, held him like a dead man under the eye of Dr. Ferguson. The latter could not suppress his emotion, for he felt that this life now in his charge was ebbing away. Were they then so soon to lose him whom they had snatched from an agonizing death? The doctor again washed and dressed the young martyr's frightful wounds, and had to sacrifice nearly his whole stock of water to refresh his burning limbs. He surrounded him with the tenderest and most intelligent care, until, at length, the sick man revived, little by little, in his arms, and recovered his consciousness if not his strength. The doctor was able to gather something of his history from his broken murmurs. "Speak in your native language," he said to the sufferer; "I understand it, and it will fatigue you less." The missionary was a poor young man from the village of Aradon, in Brittany, in the Morbihan country. His earliest instincts had drawn him toward an ecclesiastical career, but to this life of self-sacrifice he was also desirous of joining a life of danger, by entering the mission of the order of priesthood of which St. Vincent de Paul was the founder, and, at twenty, he quitted his country for the inhospitable shores of Africa. From the sea-coast, overcoming obstacles, little by little, braving all privations, pushing onward, afoot, and praying, he had advanced to the very centre of those tribes that dwell among the tributary streams of the Upper Nile. For two years his faith was spurned, his zeal denied recognition, his charities taken in ill part, and he remained a prisoner to one of the cruelest tribes of the Nyambarra, the object of every species of maltreatment. But still he went on teaching, instructing, and praying. The tribe having been dispersed and he left for dead, in one of those combats which are so frequent between the tribes, instead of retracing his steps, he persisted in his evangelical mission. His most tranquil time was when he was taken for a madman. Meanwhile, he had made himself familiar with the idioms of the country, and he catechised in them. At length, during two more long years, he traversed these barbarous regions, impelled by that superhuman energy that comes from God. For a year past he had been residing with that tribe of the Nyam-Nyams known as the Barafri, one of the wildest and most ferocious of them all. The chief having died a few days before our travellers appeared, his sudden death was attributed to the missionary, and the tribe resolved to immolate him. His sufferings had already continued for the space of forty hours, and, as the doctor had supposed, he was to have perished in the blaze of the noonday sun. When he heard the sound of fire-arms, nature got the best of him, and he had cried out, "Help! help!" He then thought that he must have been dreaming, when a voice, that seemed to come from the sky, had uttered words of consolation. "I have no regrets," he said, "for the life that is passing away from me; my life belongs to God!" "Hope still!" said the doctor; "we are near you, and we will save you now, as we saved you from the tortures of the stake." "I do not ask so much of Heaven," said the priest, with resignation. "Blessed be God for having vouchsafed to me the joy before I die of having pressed your friendly hands, and having heard, once more, the language of my country!" The missionary here grew weak again, and the whole day went by between hope and fear, Kennedy deeply moved, and Joe drawing his hand over his eyes more than once when he thought that no one saw him. The balloon made little progress, and the wind seemed as though unwilling to jostle its precious burden. Toward evening, Joe discovered a great light in the west. Under more elevated latitudes, it might have been mistaken for an immense aurora borealis, for the sky appeared on fire. The doctor very attentively examined the phenomenon. "It is, perhaps, only a volcano in full activity," said he. "But the wind is carrying us directly over it," replied Kennedy. "Very well, we shall cross it then at a safe height!" said the doctor. Three hours later, the Victoria was right among the mountains. Her exact position was twenty-four degrees fifteen minutes east longitude, and four degrees forty-two minutes north latitude, and four degrees forty-two minutes north latitude. In front of her a volcanic crater was pouring forth torrents of melted lava, and hurling masses of rock to an enormous height. There were jets, too, of liquid fire that fell back in dazzling cascades--a superb but dangerous spectacle, for the wind with unswerving certainty was carrying the balloon directly toward this blazing atmosphere. This obstacle, which could not be turned, had to be crossed, so the cylinder was put to its utmost power, and the balloon rose to the height of six thousand feet, leaving between it and the volcano a space of more than three hundred fathoms. From his bed of suffering, the dying missionary could contemplate that fiery crater from which a thousand jets of dazzling flame were that moment escaping. "How grand it is!" said he, "and how infinite is the power of God even in its most terrible manifestations!" This overflow of blazing lava wrapped the sides of the mountain with a veritable drapery of flame; the lower half of the balloon glowed redly in the upper night; a torrid heat ascended to the car, and Dr. Ferguson made all possible haste to escape from this perilous situation. By ten o'clock the volcano could be seen only as a red point on the horizon, and the balloon tranquilly pursued her course in a less elevated zone of the atmosphere.

CHAPTER TWENTY-THIRD. Joe in a Fit of Rage.--The Death of a Good Man.--The Night of watching by the Body.--Barrenness and Drought.--The Burial.--The Quartz Rocks. --Joe's Hallucinations.--A Precious Ballast.--A Survey of the Gold-bearing Mountains.--The Beginning of Joe's Despair. A magnificent night overspread the earth, and the missionary lay quietly asleep in utter exhaustion. "He'll not get over it!" sighed Joe. "Poor young fellow--scarcely thirty years of age!" "He'll die in our arms. His breathing, which was so feeble before, is growing weaker still, and I can do nothing to save him," said the doctor, despairingly. "The infamous scoundrels!" exclaimed Joe, grinding his teeth, in one of those fits of rage that came over him at long intervals; "and to think that, in spite of all, this good man could find words only to pity them, to excuse, to pardon them!" "Heaven has given him a lovely night, Joe--his last on earth, perhaps! He will suffer but little more after this, and his dying will be only a peaceful falling asleep." The dying man uttered some broken words, and the doctor at once went to him. His breathing became difficult, and he asked for air. The curtains were drawn entirely back, and he inhaled with rapture the light breezes of that clear, beautiful night. The stars sent him their trembling rays, and the moon wrapped him in the white winding-sheet of its effulgence. "My friends," said he, in an enfeebled voice, "I am going. May God requite you, and bring you to your safe harbor! May he pay for me the debt of gratitude that I owe to you!" "You must still hope," replied Kennedy. "This is but a passing fit of weakness. You will not die. How could any one die on this beautiful summer night?" "Death is at hand," replied the missionary, "I know it! Let me look it in the face! Death, the commencement of things eternal, is but the end of earthly cares. Place me upon my knees, my brethren, I beseech you!" Kennedy lifted him up, and it was distressing to see his weakened limbs bend under him. "My God! my God!" exclaimed the dying apostle, "have pity on me!" His countenance shone. Far above that earth on which he had known no joys; in the midst of that night which sent to him its softest radiance; on the way to that heaven toward which he uplifted his spirit, as though in a miraculous assumption, he seemed already to live and breathe in the new existence. His last gesture was a supreme blessing on his new friends of only one day. Then he fell back into the arms of Kennedy, whose countenance was bathed in hot tears. "Dead!" said the doctor, bending over him, "dead!" And with one common accord, the three friends knelt together in silent prayer. "To-morrow," resumed the doctor, "we shall bury him in the African soil which he has besprinkled with his blood." During the rest of the night the body was watched, turn by turn, by the three travellers, and not a word disturbed the solemn silence. Each of them was weeping. The next day the wind came from the south, and the balloon moved slowly over a vast plateau of mountains: there, were extinct craters; here, barren ravines; not a drop of water on those parched crests; piles of broken rocks; huge stony masses scattered hither and thither, and, interspersed with whitish marl, all indicated the most complete sterility. Toward noon, the doctor, for the purpose of burying the body, decided to descend into a ravine, in the midst of some plutonic rocks of primitive formation. The surrounding mountains would shelter him, and enable him to bring his car to the ground, for there was no tree in sight to which he could make it fast. But, as he had explained to Kennedy, it was now impossible for him to descend, except by releasing a quantity of gas proportionate to his loss of ballast at the time when he had rescued the missionary. He therefore opened the valve of the outside balloon. The hydrogen escaped, and the Victoria quietly descended into the ravine. As soon as the car touched the ground, the doctor shut the valve. Joe leaped out, holding on the while to the rim of the car with one hand, and with the other gathering up a quantity of stones equal to his own weight. He could then use both hands, and had soon heaped into the car more than five hundred pounds of stones, which enabled both the doctor and Kennedy, in their turn, to get out. Thus the Victoria found herself balanced, and her ascensional force insufficient to raise her. Moreover, it was not necessary to gather many of these stones, for the blocks were extremely heavy, so much so, indeed, that the doctor's attention was attracted by the circumstance. The soil, in fact, was bestrewn with quartz and porphyritic rocks. "This is a singular discovery!" said the doctor, mentally. In the mean while, Kennedy and Joe had strolled away a few paces, looking up a proper spot for the grave. The heat was extreme in this ravine, shut in as it was like a sort of furnace. The noonday sun poured down its rays perpendicularly into it. The first thing to be done was to clear the surface of the fragments of rock that encumbered it, and then a quite deep grave had to be dug, so that the wild animals should not be able to disinter the corpse. The body of the martyred missionary was then solemnly placed in it. The earth was thrown in over his remains, and above it masses of rock were deposited, in rude resemblance to a tomb. The doctor, however, remained motionless, and lost in his reflections. He did not even heed the call of his companions, nor did he return with them to seek a shelter from the heat of the day. "What are you thinking about, doctor?" asked Kennedy. "About a singular freak of Nature, a curious effect of chance. Do you know, now, in what kind of soil that man of self-denial, that poor one in spirit, has just been buried?" "No! what do you mean, doctor?" "That priest, who took the oath of perpetual poverty, now reposes in a gold-mine!" "A gold-mine!" exclaimed Kennedy and Joe in one breath. "Yes, a gold-mine," said the doctor, quietly. "Those blocks which you are trampling under foot, like worthless stones, contain gold-ore of great purity." "Impossible! impossible!" repeated Joe. "You would not have to look long among those fissures of slaty schist without finding peptites of considerable value." Joe at once rushed like a crazy man among the scattered fragments, and Kennedy was not long in following his example. "Keep cool, Joe," said his master. "Why, doctor, you speak of the thing quite at your ease." "What! a philosopher of your mettle--" "Ah, master, no philosophy holds good in this case!" "Come! come! Let us reflect a little. What good would all this wealth do you? We cannot carry any of it away with us." "We can't take any of it with us, indeed?" "It's rather too heavy for our car! I even hesitated to tell you any thing about it, for fear of exciting your regret!" "What!" said Joe, again, "abandon these treasures --a fortune for us!--really for us--our own--leave it behind!" "Take care, my friend! Would you yield to the thirst for gold? Has not this dead man whom you have just helped to bury, taught you the vanity of human affairs?" "All that is true," replied Joe, "but gold! Mr. Kennedy, won't you help to gather up a trifle of all these millions?" "What could we do with them, Joe?" said the hunter, unable to repress a smile. "We did not come hither in search of fortune, and we cannot take one home with us." "The millions are rather heavy, you know," resumed the doctor, "and cannot very easily be put into one's pocket." "But, at least," said Joe, driven to his last defences, "couldn't we take some of that ore for ballast, instead of sand?" "Very good! I consent," said the doctor, "but you must not make too many wry faces when we come to throw some thousands of crowns' worth overboard." "Thousands of crowns!" echoed Joe; "is it possible that there is so much gold in them, and that all this is the same?" "Yes, my friend, this is a reservoir in which Nature has been heaping up her wealth for centuries! There is enough here to enrich whole nations! An Australia and a California both together in the midst of the wilderness!" "And the whole of it is to remain useless!" "Perhaps! but at all events, here's what I'll do to console you." "That would be rather difficult to do!" said Joe, with a contrite air. "Listen! I will take the exact bearings of this spot, and give them to you, so that, upon your return to England, you can tell our countrymen about it, and let them have a share, if you think that so much gold would make them happy." "Ah! master, I give up; I see that you are right, and that there is nothing else to be done. Let us fill our car with the precious mineral, and what remains at the end of the trip will be so much made." And Joe went to work. He did so, too, with all his might, and soon had collected more than a thousand pieces of quartz, which contained gold enclosed as though in an extremely hard crystal casket. The doctor watched him with a smile; and, while Joe went on, he took the bearings, and found that the missionary's grave lay in twenty-two degrees twenty-three minutes east longitude, and four degrees fifty-five minutes north latitude. Then, casting one glance at the swelling of the soil, beneath which the body of the poor Frenchman reposed, he went back to his car. He would have erected a plain, rude cross over the tomb, left solitary thus in the midst of the African deserts, but not a tree was to be seen in the environs. "God will recognize it!" said Kennedy. An anxiety of another sort now began to steal over the doctor's mind. He would have given much of the gold before him for a little water--for he had to replace what had been thrown overboard when the negro was carried up into the air. But it was impossible to find it in these arid regions; and this reflection gave him great uneasiness. He had to feed his cylinder continually; and he even began to find that he had not enough to quench the thirst of his party. Therefore he determined to lose no opportunity of replenishing his supply. Upon getting back to the car, he found it burdened with the quartz-blocks that Joe's greed had heaped in it. He got in, however, without saying any thing. Kennedy took his customary place, and Joe followed, but not without casting a covetous glance at the treasures in the ravine. The doctor rekindled the light in the cylinder; the spiral became heated; the current of hydrogen came in a few minutes, and the gas dilated; but the balloon did not stir an inch. Joe looked on uneasily, but kept silent. "Joe!" said the doctor. Joe made no reply. "Joe! Don't you hear me?" Joe made a sign that he heard; but he would not understand. "Do me the kindness to throw out some of that quartz!" "But, doctor, you gave me leave--" "I gave you leave to replace the ballast; that was all!" "But--" "Do you want to stay forever in this desert?" Joe cast a despairing look at Kennedy; but the hunter put on the air of a man who could do nothing in the matter. "Well, Joe?" "Then your cylinder don't work," said the obstinate fellow. "My cylinder? It is lit, as you perceive. But the balloon will not rise until you have thrown off a little ballast." Joe scratched his ear, picked up a piece of quartz, the smallest in the lot, weighed and reweighed it, and tossed it up and down in his hand. It was a fragment of about three or four pounds. At last he threw it out. But the balloon did not budge. "Humph!" said he; "we're not going up yet." "Not yet," said the doctor. "Keep on throwing." Kennedy laughed. Joe now threw out some ten pounds, but the balloon stood still. Joe got very pale. "Poor fellow!" said the doctor. "Mr. Kennedy, you and I weigh, unless I am mistaken, about four hundred pounds--so that you'll have to get rid of at least that weight, since it was put in here to make up for us." "Throw away four hundred pounds!" said Joe, piteously. "And some more with it, or we can't rise. Come, courage, Joe!" The brave fellow, heaving deep sighs, began at last to lighten the balloon; but, from time to time, he would stop, and ask: "Are you going up?" "No, not yet," was the invariable response. "It moves!" said he, at last. "Keep on!" replied the doctor. "It's going up; I'm sure." "Keep on yet," said Kennedy. And Joe, picking up one more block, desperately tossed it out of the car. The balloon rose a hundred feet or so, and, aided by the cylinder, soon passed above the surrounding summits. "Now, Joe," resumed the doctor, "there still remains a handsome fortune for you; and, if we can only keep the rest of this with us until the end of our trip, there you are--rich for the balance of your days!" Joe made no answer, but stretched himself out luxuriously on his heap of quartz. "See, my dear Dick!" the doctor went on. "Just see the power of this metal over the cleverest lad in the world! What passions, what greed, what crimes, the knowledge of such a mine as that would cause! It is sad to think of it!" By evening the balloon had made ninety miles to the westward, and was, in a direct line, fourteen hundred miles from Zanzibar.

CHAPTER TWENTY-FOURTH. The Wind dies away.--The Vicinity of the Desert.--The Mistake in the Water-Supply.--The Nights of the Equator.--Dr. Ferguson's Anxieties. --The Situation flatly stated.--Energetic Replies of Kennedy and Joe. --One Night more. The balloon, having been made fast to a solitary tree, almost completely dried up by the aridity of the region in which it stood, passed the night in perfect quietness; and the travellers were enabled to enjoy a little of the repose which they so greatly needed. The emotions of the day had left sad impressions on their minds. Toward morning, the sky had resumed its brilliant purity and its heat. The balloon ascended, and, after several ineffectual attempts, fell into a current that, although not rapid, bore them toward the northwest. "We are not making progress," said the doctor. "If I am not mistaken, we have accomplished nearly half of our journey in ten days; but, at the rate at which we are going, it would take months to end it; and that is all the more vexatious, that we are threatened with a lack of water." "But we'll find some," said Joe. "It is not to be thought of that we shouldn't discover some river, some stream, or pond, in all this vast extent of country." "I hope so." "Now don't you think that it's Joe's cargo of stone that is keeping us back?" Kennedy asked this question only to tease Joe; and he did so the more willingly because he had, for a moment, shared the poor lad's hallucinations; but, not finding any thing in them, he had fallen back into the attitude of a strong-minded looker-on, and turned the affair off with a laugh. Joe cast a mournful glance at him; but the doctor made no reply. He was thinking, not without secret terror, probably, of the vast solitudes of Sahara--for there whole weeks sometimes pass without the caravans meeting with a single spring of water. Occupied with these thoughts, he scrutinized every depression of the soil with the closest attention. These anxieties, and the incidents recently occurring, had not been without their effect upon the spirits of our three travellers. They conversed less, and were more wrapt in their own thoughts. Joe, clever lad as he was, seemed no longer the same person since his gaze had plunged into that ocean of gold. He kept entirely silent, and gazed incessantly upon the stony fragments heaped up in the car--worthless to-day, but of inestimable value to-morrow. The appearance of this part of Africa was, moreover, quite calculated to inspire alarm: the desert was gradually expanding around them; not another village was to be seen--not even a collection of a few huts; and vegetation also was disappearing. Barely a few dwarf plants could now be noticed, like those on the wild heaths of Scotland; then came the first tract of grayish sand and flint, with here and there a lentisk tree and brambles. In the midst of this sterility, the rudimental carcass of the Globe appeared in ridges of sharply-jutting rock. These symptoms of a totally dry and barren region greatly disquieted Dr. Ferguson. It seemed as though no caravan had ever braved this desert expanse, or it would have left visible traces of its encampments, or the whitened bones of men and animals. But nothing of the kind was to be seen, and the aeronauts felt that, ere long, an immensity of sand would cover the whole of this desolate region. However, there was no going back; they must go forward; and, indeed, the doctor asked for nothing better; he would even have welcomed a tempest to carry him beyond this country. But, there was not a cloud in the sky. At the close of the day, the balloon had not made thirty miles. If there had been no lack of water! But, there remained only three gallons in all! The doctor put aside one gallon, destined to quench the burning thirst that a heat of ninety degrees rendered intolerable. Two gallons only then remained to supply the cylinder. Hence, they could produce no more than four hundred and eighty cubic feet of gas; yet the cylinder consumed about nine cubic feet per hour. Consequently, they could not keep on longer than fifty-four hours--and all this was a mathematical calculation! "Fifty-four hours!" said the doctor to his companions. "Therefore, as I am determined not to travel by night, for fear of passing some stream or pool, we have but three days and a half of journeying during which we must find water, at all hazards. I have thought it my duty to make you aware of the real state of the case, as I have retained only one gallon for drinking, and we shall have to put ourselves on the shortest allowance." "Put us on short allowance, then, doctor," responded Kennedy, "but we must not despair. We have three days left, you say?" "Yes, my dear Dick!" "Well, as grieving over the matter won't help us, in three days there will be time enough to decide upon what is to be done; in the meanwhile, let us redouble our vigilance!" At their evening meal, the water was strictly measured out, and the brandy was increased in quantity in the punch they drank. But they had to be careful with the spirits, the latter being more likely to produce than to quench thirst. The car rested, during the night, upon an immense plateau, in which there was a deep hollow; its height was scarcely eight hundred feet above the level of the sea. This circumstance gave the doctor some hope, since it recalled to his mind the conjectures of geographers concerning the existence of a vast stretch of water in the centre of Africa. But, if such a lake really existed, the point was to reach it, and not a sign of change was visible in the motionless sky. To the tranquil night and its starry magnificence succeeded the unchanging daylight and the blazing rays of the sun; and, from the earliest dawn, the temperature became scorching. At five o'clock in the morning, the doctor gave the signal for departure, and, for a considerable time, the balloon remained immovable in the leaden atmosphere. The doctor might have escaped this intense heat by rising into a higher range, but, in order to do so, he would have had to consume a large quantity of water, a thing that had now become impossible. He contented himself, therefore, with keeping the balloon at one hundred feet from the ground, and, at that elevation, a feeble current drove it toward the western horizon. The breakfast consisted of a little dried meat and pemmican. By noon, the Victoria had advanced only a few miles. "We cannot go any faster," said the doctor; "we no longer command--we have to obey." "Ah! doctor, here is one of those occasions when a propeller would not be a thing to be despised." "Undoubtedly so, Dick, provided it would not require an expenditure of water to put it in motion, for, in that case, the situation would be precisely the same; moreover, up to this time, nothing practical of the sort has been invented. Balloons are still at that point where ships were before the invention of steam. It took six thousand years to invent propellers and screws; so we have time enough yet." "Confounded heat!" said Joe, wiping away the perspiration that was streaming from his forehead. "If we had water, this heat would be of service to us, for it dilates the hydrogen in the balloon, and diminishes the amount required in the spiral, although it is true that, if we were not short of the useful liquid, we should not have to economize it. Ah! that rascally savage who cost us the tank!"* * The water-tank had been thrown overboard when the native clung to the car. "You don't regret, though, what you did, doctor?" "No, Dick, since it was in our power to save that unfortunate missionary from a horrible death. But, the hundred pounds of water that we threw overboard would be very useful to us now; it would be thirteen or fourteen days more of progress secured, or quite enough to carry us over this desert." "We've made at least half the journey, haven't we?" asked Joe. "In distance, yes; but in duration, no, should the wind leave us; and it, even now, has a tendency to die away altogether." "Come, sir," said Joe, again, "we must not complain; we've got along pretty well, thus far, and whatever happens to me, I can't get desperate. We'll find water; mind, I tell you so." The soil, however, ran lower from mile to mile; the undulations of the gold-bearing mountains they had left died away into the plain, like the last throes of exhausted Nature. Scanty grass took the place of the fine trees of the east; only a few belts of half-scorched herbage still contended against the invasion of the sand, and the huge rocks, that had rolled down from the distant summits, crushed in their fall, had scattered in sharp-edged pebbles which soon again became coarse sand, and finally impalpable dust. "Here, at last, is Africa, such as you pictured it to yourself, Joe! Was I not right in saying, 'Wait a little?' eh?" "Well, master, it's all natural, at least--heat and dust. It would be foolish to look for any thing else in such a country. Do you see," he added, laughing, "I had no confidence, for my part, in your forests and your prairies; they were out of reason. What was the use of coming so far to find scenery just like England? Here's the first time that I believe in Africa, and I'm not sorry to get a taste of it." Toward evening, the doctor calculated that the balloon had not made twenty miles during that whole burning day, and a heated gloom closed in upon it, as soon as the sun had disappeared behind the horizon, which was traced against the sky with all the precision of a straight line. The next day was Thursday, the 1st of May, but the days followed each other with desperate monotony. Each morning was like the one that had preceded it; noon poured down the same exhaustless rays, and night condensed in its shadow the scattered heat which the ensuing day would again bequeath to the succeeding night. The wind, now scarcely observable, was rather a gasp than a breath, and the morning could almost be foreseen when even that gasp would cease. The doctor reacted against the gloominess of the situation and retained all the coolness and self-possession of a disciplined heart. With his glass he scrutinized every quarter of the horizon; he saw the last rising ground gradually melting to the dead level, and the last vegetation disappearing, while, before him, stretched the immensity of the desert. The responsibility resting upon him pressed sorely, but he did not allow his disquiet to appear. Those two men, Dick and Joe, friends of his, both of them, he had induced to come with him almost by the force alone of friendship and of duty. Had he done well in that? Was it not like attempting to tread forbidden paths? Was he not, in this trip, trying to pass the borders of the impossible? Had not the Almighty reserved for later ages the knowledge of this inhospitable continent? All these thoughts, of the kind that arise in hours of discouragement, succeeded each other and multiplied in his mind, and, by an irresistible association of ideas, the doctor allowed himself to be carried beyond the bounds of logic and of reason. After having established in his own mind what he should NOT have done, the next question was, what he should do, then. Would it be impossible to retrace his steps? Were there not currents higher up that would waft him to less arid regions? Well informed with regard to the countries over which he had passed, he was utterly ignorant of those to come, and thus his conscience speaking aloud to him, he resolved, in his turn, to speak frankly to his two companions. He thereupon laid the whole state of the case plainly before them; he showed them what had been done, and what there was yet to do; at the worst, they could return, or attempt it, at least.--What did they think about it? "I have no other opinion than that of my excellent master," said Joe; "what he may have to suffer, I can suffer, and that better than he can, perhaps. Where he goes, there I'll go!" "And you, Kennedy?" "I, doctor, I'm not the man to despair; no one was less ignorant than I of the perils of the enterprise, but I did not want to see them, from the moment that you determined to brave them. Under present circumstances, my opinion is, that we should persevere--go clear to the end. Besides, to return looks to me quite as perilous as the other course. So onward, then! you may count upon us!" "Thanks, my gallant friends!" replied the doctor, with much real feeling, "I expected such devotion as this; but I needed these encouraging words. Yet, once again, thank you, from the bottom of my heart!" And, with this, the three friends warmly grasped each other by the hand. "Now, hear me!" said the doctor. "According to my solar observations, we are not more than three hundred miles from the Gulf of Guinea; the desert, therefore, cannot extend indefinitely, since the coast is inhabited, and the country has been explored for some distance back into the interior. If needs be, we can direct our course to that quarter, and it seems out of the question that we should not come across some oasis, or some well, where we could replenish our stock of water. But, what we want now, is the wind, for without it we are held here suspended in the air at a dead calm. "Let us wait with resignation," said the hunter. But, each of the party, in his turn, vainly scanned the space around him during that long wearisome day. Nothing could be seen to form the basis of a hope. The very last inequalities of the soil disappeared with the setting sun, whose horizontal rays stretched in long lines of fire over the flat immensity. It was the Desert! Our aeronauts had scarcely gone a distance of fifteen miles, having expended, as on the preceding day, one hundred and thirty-five cubic feet of gas to feed the cylinder, and two pints of water out of the remaining eight had been sacrificed to the demands of intense thirst. The night passed quietly--too quietly, indeed, but the doctor did not sleep!

CHAPTER TWENTY-FIFTH. A Little Philosophy.--A Cloud on the Horizon.--In the Midst of a Fog.--The Strange Balloon.--An Exact View of the Victoria.--The Palm-Trees.--Traces of a Caravan.--The Well in the Midst of the Desert. On the morrow, there was the same purity of sky, the same stillness of the atmosphere. The balloon rose to an elevation of five hundred feet, but it had scarcely changed its position to the westward in any perceptible degree. "We are right in the open desert," said the doctor. "Look at that vast reach of sand! What a strange spectacle! What a singular arrangement of nature! Why should there be, in one place, such extreme luxuriance of vegetation yonder, and here, this extreme aridity, and that in the same latitude, and under the same rays of the sun?" "The why concerns me but little," answered Kennedy, "the reason interests me less than the fact. The thing is so; that's the important part of it!" "Oh, it is well to philosophize a little, Dick; it does no harm." "Let us philosophize, then, if you will; we have time enough before us; we are hardly moving; the wind is afraid to blow; it sleeps." "That will not last forever," put in Joe; "I think I see some banks of clouds in the east." "Joe's right!" said the doctor, after he had taken a look. "Good!" said Kennedy; "now for our clouds, with a fine rain, and a fresh wind to dash it into our faces!" "Well, we'll see, Dick, we'll see!" "But this is Friday, master, and I'm afraid of Fridays!" "Well, I hope that this very day you'll get over those notions." "I hope so, master, too. Whew!" he added, mopping his face, "heat's a good thing, especially in winter, but in summer it don't do to take too much of it." "Don't you fear the effect of the sun's heat on our balloon?" asked Kennedy, addressing the doctor. "No! the gutta-percha coating resists much higher temperatures than even this. With my spiral I have subjected it inside to as much as one hundred and fifty-eight degrees sometimes, and the covering does not appear to have suffered." "A cloud! a real cloud!" shouted Joe at this moment, for that piercing eyesight of his beat all the glasses. And, in fact, a thick bank of vapor, now quite distinct, could be seen slowly emerging above the horizon. It appeared to be very deep, and, as it were, puffed out. It was, in reality, a conglomeration of smaller clouds. The latter invariably retained their original formation, and from this circumstance the doctor concluded that there was no current of air in their collected mass. This compact body of vapor had appeared about eight o'clock in the morning, and, by eleven, it had already reached the height of the sun's disk. The latter then disappeared entirely behind the murky veil, and the lower belt of cloud, at the same moment, lifted above the line of the horizon, which was again disclosed in a full blaze of daylight. "It's only an isolated cloud," remarked the doctor. "It won't do to count much upon that." "Look, Dick, its shape is just the same as when we saw it this morning!" "Then, doctor, there's to be neither rain nor wind, at least for us!" "I fear so; the cloud keeps at a great height." "Well, doctor, suppose we were to go in pursuit of this cloud, since it refuses to burst upon us?" "I fancy that to do so wouldn't help us much; it would be a consumption of gas, and, consequently, of water, to little purpose; but, in our situation, we must not leave anything untried; therefore, let us ascend!" And with this, the doctor put on a full head of flame from the cylinder, and the dilation of the hydrogen, occasioned by such sudden and intense heat, sent the balloon rapidly aloft. About fifteen hundred feet from the ground, it encountered an opaque mass of cloud, and entered a dense fog, suspended at that elevation; but it did not meet with the least breath of wind. This fog seemed even destitute of humidity, and the articles brought in contact with it were scarcely dampened in the slightest degree. The balloon, completely enveloped in the vapor, gained a little increase of speed, perhaps, and that was all. The doctor gloomily recognized what trifling success he had obtained from his manoeuvre, and was relapsing into deep meditation, when he heard Joe exclaim, in tones of most intense astonishment: "Ah! by all that's beautiful!" "What's the matter, Joe?" "Doctor! Mr. Kennedy! Here's something curious!" "What is it, then?" "We are not alone, up here! There are rogues about! They've stolen our invention!" "Has he gone crazy?" asked Kennedy. Joe stood there, perfectly motionless, the very picture of amazement. "Can the hot sun have really affected the poor fellow's brain?" said the doctor, turning toward him. "Will you tell me?--" "Look!" said Joe, pointing to a certain quarter of the sky. "By St. James!" exclaimed Kennedy, in turn, "why, who would have believed it? Look, look! doctor!" "I see it!" said the doctor, very quietly. "Another balloon! and other passengers, like ourselves!" And, sure enough, there was another balloon about two hundred paces from them, floating in the air with its car and its aeronauts. It was following exactly the same route as the Victoria. "Well," said the doctor, "nothing remains for us but to make signals; take the flag, Kennedy, and show them our colors." It seemed that the travellers by the other balloon had just the same idea, at the same moment, for the same kind of flag repeated precisely the same salute with a hand that moved in just the same manner. "What does that mean?" asked Kennedy. "They are apes," said Joe, "imitating us." "It means," said the doctor, laughing, "that it is you, Dick, yourself, making that signal to yourself; or, in other words, that we see ourselves in the second balloon, which is no other than the Victoria." "As to that, master, with all respect to you," said Joe, "you'll never make me believe it." "Climb up on the edge of the car, Joe; wave your arms, and then you'll see." Joe obeyed, and all his gestures were instantaneously and exactly repeated. "It is merely the effect of the MIRAGE," said the doctor, "and nothing else--a simple optical phenomenon due to the unequal refraction of light by different layers of the atmosphere, and that is all. "It's wonderful," said Joe, who could not make up his mind to surrender, but went on repeating his gesticulations. "What a curious sight! Do you know," said Kennedy, "that it's a real pleasure to have a view of our noble balloon in that style? She's a beauty, isn't she?-- and how stately her movements as she sweeps along!" "You may explain the matter as you like," continued Joe, "it's a strange thing, anyhow!" But ere long this picture began to fade away; the clouds rose higher, leaving the balloon, which made no further attempt to follow them, and in about an hour they disappeared in the open sky. The wind, which had been scarcely perceptible, seemed still to diminish, and the doctor in perfect desperation descended toward the ground, and all three of the travellers, whom the incident just recorded had, for a few moments, diverted from their anxieties, relapsed into gloomy meditation, sweltering the while beneath the scorching heat. About four o'clock, Joe descried some object standing out against the vast background of sand, and soon was able to declare positively that there were two palm-trees at no great distance. "Palm-trees!" exclaimed Ferguson; "why, then there's a spring--a well!" He took up his glass and satisfied himself that Joe's eyes had not been mistaken. "At length!" he said, over and over again, "water! water! and we are saved; for if we do move slowly, still we move, and we shall arrive at last!" "Good, master! but suppose we were to drink a mouthful in the mean time, for this air is stifling?" "Let us drink then, my boy!" No one waited to be coaxed. A whole pint was swallowed then and there, reducing the total remaining supply to three pints and a half. "Ah! that does one good!" said Joe; "wasn't it fine? Barclay and Perkins never turned out ale equal to that!" "See the advantage of being put on short allowance!" moralized the doctor. "It is not great, after all," retorted Kennedy; "and if I were never again to have the pleasure of drinking water, I should agree on condition that I should never be deprived of it." At six o'clock the balloon was floating over the palm-trees. They were two shrivelled, stunted, dried-up specimens of trees--two ghosts of palms--without foliage, and more dead than alive. Ferguson examined them with terror. At their feet could be seen the half-worn stones of a spring, but these stones, pulverized by the baking heat of the sun, seemed to be nothing now but impalpable dust. There was not the slightest sign of moisture. The doctor's heart shrank within him, and he was about to communicate his thoughts to his companions, when their exclamations attracted his attention. As far as the eye could reach to the eastward, extended a long line of whitened bones; pieces of skeletons surrounded the fountain; a caravan had evidently made its way to that point, marking its progress by its bleaching remains; the weaker had fallen one by one upon the sand; the stronger, having at length reached this spring for which they panted, had there found a horrible death. Our travellers looked at each other and turned pale. "Let us not alight!" said Kennedy, "let us fly from this hideous spectacle! There's not a drop of water here!" "No, Dick, as well pass the night here as elsewhere; let us have a clear conscience in the matter. We'll dig down to the very bottom of the well. There has been a spring here, and perhaps there's something left in it!" The Victoria touched the ground; Joe and Kennedy put into the car a quantity of sand equal to their weight, and leaped out. They then hastened to the well, and penetrated to the interior by a flight of steps that was now nothing but dust. The spring appeared to have been dry for years. They dug down into a parched and powdery sand--the very dryest of all sand, indeed--there was not one trace of moisture! The doctor saw them come up to the surface of the desert, saturated with perspiration, worn out, covered with fine dust, exhausted, discouraged and despairing. He then comprehended that their search had been fruitless. He had expected as much, and he kept silent, for he felt that, from this moment forth, he must have courage and energy enough for three. Joe brought up with him some pieces of a leathern bottle that had grown hard and horn-like with age, and angrily flung them away among the bleaching bones of the caravan. At supper, not a word was spoken by our travellers, and they even ate without appetite. Yet they had not, up to this moment, endured the real agonies of thirst, and were in no desponding mood, excepting for the future.

CHAPTER TWENTY-SIXTH. One Hundred and Thirteen Degrees.--The Doctor's Reflections.--A Desperate Search.--The Cylinder goes out.--One Hundred and Twenty-two Degrees.-- Contemplation of the Desert.--A Night Walk.--Solitude.--Debility.--Joe's Prospects.--He gives himself One Day more. The distance made by the balloon during the preceding day did not exceed ten miles, and, to keep it afloat, one hundred and sixty-two cubic feet of gas had been consumed. On Saturday morning the doctor again gave the signal for departure. "The cylinder can work only six hours longer; and, if in that time we shall not have found either a well or a spring of water, God alone knows what will become of us!" "Not much wind this morning, master," said Joe; "but it will come up, perhaps," he added, suddenly remarking the doctor's ill-concealed depression. Vain hope! The atmosphere was in a dead calm--one of those calms which hold vessels captive in tropical seas. The heat had become intolerable; and the thermometer, in the shade under the awning, indicated one hundred and thirteen degrees. Joe and Kennedy, reclining at full length near each other, tried, if not in slumber, at least in torpor, to forget their situation, for their forced inactivity gave them periods of leisure far from pleasant. That man is to be pitied the most who cannot wean himself from gloomy reflections by actual work, or some practical pursuit. But here there was nothing to look after, nothing to undertake, and they had to submit to the situation, without having it in their power to ameliorate it. The pangs of thirst began to be severely felt; brandy, far from appeasing this imperious necessity, augmented it, and richly merited the name of "tiger's milk" applied to it by the African natives. Scarcely two pints of water remained, and that was heated. Each of the party devoured the few precious drops with his gaze, yet neither of them dared to moisten his lips with them. Two pints of water in the midst of the desert! Then it was that Dr. Ferguson, buried in meditation, asked himself whether he had acted with prudence. Would he not have done better to have kept the water that he had decomposed in pure loss, in order to sustain him in the air? He had gained a little distance, to be sure; but was he any nearer to his journey's end? What difference did sixty miles to the rear make in this region, when there was no water to be had where they were? The wind, should it rise, would blow there as it did here, only less strongly at this point, if it came from the east. But hope urged him onward. And yet those two gallons of water, expended in vain, would have sufficed for nine days' halt in the desert. And what changes might not have occurred in nine days! Perhaps, too, while retaining the water, he might have ascended by throwing out ballast, at the cost merely of discharging some gas, when he had again to descend. But the gas in his balloon was his blood, his very life! A thousand one such reflections whirled in succession through his brain; and, resting his head between his hands, he sat there for hours without raising it. "We must make one final effort," he said, at last, about ten o'clock in the morning. "We must endeavor, just once more, to find an atmospheric current to bear us away from here, and, to that end, must risk our last resources." Therefore, while his companions slept, the doctor raised the hydrogen in the balloon to an elevated temperature, and the huge globe, filling out by the dilation of the gas, rose straight up in the perpendicular rays of the sun. The doctor searched vainly for a breath of wind, from the height of one hundred feet to that of five miles; his starting-point remained fatally right below him, and absolute calm seemed to reign, up to the extreme limits of the breathing atmosphere. At length the feeding-supply of water gave out; the cylinder was extinguished for lack of gas; the Buntzen battery ceased to work, and the balloon, shrinking together, gently descended to the sand, in the very place that the car had hollowed out there. It was noon; and solar observations gave nineteen degrees thirty-five minutes east longitude, and six degrees fifty-one minutes north latitude, or nearly five hundred miles from Lake Tchad, and more than four hundred miles from the western coast of Africa. On the balloon taking ground, Kennedy and Joe awoke from their stupor. "We have halted," said the Scot. "We had to do so," replied the doctor, gravely. His companions understood him. The level of the soil at that point corresponded with the level of the sea, and, consequently, the balloon remained in perfect equilibrium, and absolutely motionless. The weight of the three travellers was replaced with an equivalent quantity of sand, and they got out of the car. Each was absorbed in his own thoughts; and for many hours neither of them spoke. Joe prepared their evening meal, which consisted of biscuit and pemmican, and was hardly tasted by either of the party. A mouthful of scalding water from their little store completed this gloomy repast. During the night none of them kept awake; yet none could be precisely said to have slept. On the morrow there remained only half a pint of water, and this the doctor put away, all three having resolved not to touch it until the last extremity. It was not long, however, before Joe exclaimed: "I'm choking, and the heat is getting worse! I'm not surprised at that, though," he added, consulting the thermometer; "one hundred and forty degrees!" "The sand scorches me," said the hunter, "as though it had just come out of a furnace; and not a cloud in this sky of fire. It's enough to drive one mad!" "Let us not despair," responded the doctor. "In this latitude these intense heats are invariably followed by storms, and the latter come with the suddenness of lightning. Notwithstanding this disheartening clearness of the sky, great atmospheric changes may take place in less than an hour." "But," asked Kennedy, "is there any sign whatever of that?" "Well," replied the doctor, "I think that there is some slight symptom of a fall in the barometer." "May Heaven hearken to you, Samuel! for here we are pinned to the ground, like a bird with broken wings." "With this difference, however, my dear Dick, that our wings are unhurt, and I hope that we shall be able to use them again." "Ah! wind! wind!" exclaimed Joe; "enough to carry us to a stream or a well, and we'll be all right. We have provisions enough, and, with water, we could wait a month without suffering; but thirst is a cruel thing!" It was not thirst alone, but the unchanging sight of the desert, that fatigued the mind. There was not a variation in the surface of the soil, not a hillock of sand, not a pebble, to relieve the gaze. This unbroken level discouraged the beholder, and gave him that kind of malady called the "desert-sickness." The impassible monotony of the arid blue sky, and the vast yellow expanse of the desert-sand, at length produced a sensation of terror. In this inflamed atmosphere the heat appeared to vibrate as it does above a blazing hearth, while the mind grew desperate in contemplating the limitless calm, and could see no reason why the thing should ever end, since immensity is a species of eternity. Thus, at last, our hapless travellers, deprived of water in this torrid heat, began to feel symptoms of mental disorder. Their eyes swelled in their sockets, and their gaze became confused. When night came on, the doctor determined to combat this alarming tendency by rapid walking. His idea was to pace the sandy plain for a few hours, not in search of any thing, but simply for exercise. "Come along!" he said to his companions; "believe me, it will do you good." "Out of the question!" said Kennedy; "I could not walk a step." "And I," said Joe, "would rather sleep!" "But sleep, or even rest, would be dangerous to you, my friends; you must react against this tendency to stupor. Come with me!" But the doctor could do nothing with them, and, therefore, set off alone, amid the starry clearness of the night. The first few steps he took were painful, for they were the steps of an enfeebled man quite out of practice in walking. However, he quickly saw that the exercise would be beneficial to him, and pushed on several miles to the westward. Once in rapid motion, he felt his spirits greatly cheered, when, suddenly, a vertigo came over him; he seemed to be poised on the edge of an abyss; his knees bent under him; the vast solitude struck terror to his heart; he found himself the minute mathematical point, the centre of an infinite circumference, that is to say--a nothing! The balloon had disappeared entirely in the deepening gloom. The doctor, cool, impassible, reckless explorer that he was, felt himself at last seized with a nameless dread. He strove to retrace his steps, but in vain. He called aloud. Not even an echo replied, and his voice died out in the empty vastness of surrounding space, like a pebble cast into a bottomless gulf; then, down he sank, fainting, on the sand, alone, amid the eternal silence of the desert. At midnight he came to, in the arms of his faithful follower, Joe. The latter, uneasy at his master's prolonged absence, had set out after him, easily tracing him by the clear imprint of his feet in the sand, and had found him lying in a swoon. "What has been the matter, sir?" was the first inquiry. "Nothing, Joe, nothing! Only a touch of weakness, that's all. It's over now." "Oh! it won't amount to any thing, sir, I'm sure of that; but get up on your feet, if you can. There! lean upon me, and let us get back to the balloon." And the doctor, leaning on Joe's arm, returned along the track by which he had come. "You were too bold, sir; it won't do to run such risks. You might have been robbed," he added, laughing. "But, sir, come now, let us talk seriously." "Speak! I am listening to you." "We must positively make up our minds to do something. Our present situation cannot last more than a few days longer, and if we get no wind, we are lost." The doctor made no reply. "Well, then, one of us must sacrifice himself for the good of all, and it is most natural that it should fall to me to do so." "What have you to propose? What is your plan?" "A very simple one! It is to take provisions enough, and to walk right on until I come to some place, as I must do, sooner or later. In the mean time, if Heaven sends you a good wind, you need not wait, but can start again. For my part, if I come to a village, I'll work my way through with a few Arabic words that you can write for me on a slip of paper, and I'll bring you help or lose my hide. What do you think of my plan?" "It is absolute folly, Joe, but worthy of your noble heart. The thing is impossible. You will not leave us." "But, sir, we must do something, and this plan can't do you any harm, for, I say again, you need not wait; and then, after all, I may succeed." "No, Joe, no! We will not separate. That would only be adding sorrow to trouble. It was written that matters should be as they are; and it is very probably written that it shall be quite otherwise by-and-by. Let us wait, then, with resignation." "So be it, master; but take notice of one thing: I give you a day longer, and I'll not wait after that. To-day is Sunday; we might say Monday, as it is one o'clock in the morning, and if we don't get off by Tuesday, I'll run the risk. I've made up my mind to that!" The doctor made no answer, and in a few minutes they got back to the car, where he took his place beside Kennedy, who lay there plunged in silence so complete that it could not be considered sleep.

CHAPTER TWENTY-SEVENTH. Terrific Heat.--Hallucinations.--The Last Drops of Water.--Nights of Despair.--An Attempt at Suicide.--The Simoom.--The Oasis.--The Lion and Lioness. The doctor's first care, on the morrow, was to consult the barometer. He found that the mercury had scarcely undergone any perceptible depression. "Nothing!" he murmured, "nothing!" He got out of the car and scrutinized the weather; there was only the same heat, the same cloudless sky, the same merciless drought. "Must we, then, give up to despair?" he exclaimed, in agony. Joe did not open his lips. He was buried in his own thoughts, and planning the expedition he had proposed. Kennedy got up, feeling very ill, and a prey to nervous agitation. He was suffering horribly with thirst, and his swollen tongue and lips could hardly articulate a syllable. There still remained a few drops of water. Each of them knew this, and each was thinking of it, and felt himself drawn toward them; but neither of the three dared to take a step. Those three men, friends and companions as they were, fixed their haggard eyes upon each other with an instinct of ferocious longing, which was most plainly revealed in the hardy Scot, whose vigorous constitution yielded the soonest to these unnatural privations. Throughout the day he was delirious, pacing up and down, uttering hoarse cries, gnawing his clinched fists, and ready to open his veins and drink his own hot blood. "Ah!" he cried, "land of thirst! Well might you be called the land of despair!" At length he sank down in utter prostration, and his friends heard no other sound from him than the hissing of his breath between his parched and swollen lips. Toward evening, Joe had his turn of delirium. The vast expanse of sand appeared to him an immense pond, full of clear and limpid water; and, more than once, he dashed himself upon the scorching waste to drink long draughts, and rose again with his mouth clogged with hot dust. "Curses on it!" he yelled, in his madness, "it's nothing but salt water!" Then, while Ferguson and Kennedy lay there motionless, the resistless longing came over him to drain the last few drops of water that had been kept in reserve. The natural instinct proved too strong. He dragged himself toward the car, on his knees; he glared at the bottle containing the precious fluid; he gave one wild, eager glance, seized the treasured store, and bore it to his lips. At that instant he heard a heart-rending cry close beside him--"Water! water!" It was Kennedy, who had crawled up close to him, and was begging there, upon his knees, and weeping piteously. Joe, himself in tears, gave the poor wretch the bottle, and Kennedy drained the last drop with savage haste. "Thanks!" he murmured hoarsely, but Joe did not hear him, for both alike had dropped fainting on the sand. What took place during that fearful night neither of them knew, but, on Tuesday morning, under those showers of heat which the sun poured down upon them, the unfortunate men felt their limbs gradually drying up, and when Joe attempted to rise he found it impossible. He looked around him. In the car, the doctor, completely overwhelmed, sat with his arms folded on his breast, gazing with idiotic fixedness upon some imaginary point in space. Kennedy was frightful to behold. He was rolling his head from right to left like a wild beast in a cage. All at once, his eyes rested on the butt of his rifle, which jutted above the rim of the car. "Ah!" he screamed, raising himself with a superhuman effort. Desperate, mad, he snatched at the weapon, and turned the barrel toward his mouth. "Kennedy!" shouted Joe, throwing himself upon his friend. "Let go! hands off!" moaned the Scot, in a hoarse, grating voice--and then the two struggled desperately for the rifle. "Let go, or I'll kill you!" repeated Kennedy. But Joe clung to him only the more fiercely, and they had been contending thus without the doctor seeing them for many seconds, when, suddenly the rifle went off. At the sound of its discharge, the doctor rose up erect, like a spectre, and glared around him. But all at once his glance grew more animated; he extended his hand toward the horizon, and in a voice no longer human shrieked: "There! there--off there!" There was such fearful force in the cry that Kennedy and Joe released each other, and both looked where the doctor pointed. The plain was agitated like the sea shaken by the fury of a tempest; billows of sand went tossing over each other amid blinding clouds of dust; an immense pillar was seen whirling toward them through the air from the southeast, with terrific velocity; the sun was disappearing behind an opaque veil of cloud whose enormous barrier extended clear to the horizon, while the grains of fine sand went gliding together with all the supple ease of liquid particles, and the rising dust-tide gained more and more with every second. Ferguson's eyes gleamed with a ray of energetic hope. "The simoom!" he exclaimed. "The simoom!" repeated Joe, without exactly knowing what it meant. "So much the better!" said Kennedy, with the bitterness of despair. "So much the better--we shall die!" "So much the better!" echoed the doctor, "for we shall live!" and, so saying, he began rapidly to throw out the sand that encumbered the car. At length his companions understood him, and took their places at his side. "And now, Joe," said the doctor, "throw out some fifty pounds of your ore, there!" Joe no longer hesitated, although he still felt a fleeting pang of regret. The balloon at once began to ascend. "It was high time!" said the doctor. The simoom, in fact, came rushing on like a thunderbolt, and a moment later the balloon would have been crushed, torn to atoms, annihilated. The awful whirlwind was almost upon it, and it was already pelted with showers of sand driven like hail by the storm. "Out with more ballast!" shouted the doctor. "There!" responded Joe, tossing over a huge fragment of quartz. With this, the Victoria rose swiftly above the range of the whirling column, but, caught in the vast displacement of the atmosphere thereby occasioned, it was borne along with incalculable rapidity away above this foaming sea. The three travellers did not speak. They gazed, and hoped, and even felt refreshed by the breath of the tempest. About three o'clock, the whirlwind ceased; the sand, falling again upon the desert, formed numberless little hillocks, and the sky resumed its former tranquillity. The balloon, which had again lost its momentum, was floating in sight of an oasis, a sort of islet studded with green trees, thrown up upon the surface of this sandy ocean. "Water! we'll find water there!" said the doctor. And, instantly, opening the upper valve, he let some hydrogen escape, and slowly descended, taking the ground at about two hundred feet from the edge of the oasis. In four hours the travellers had swept over a distance of two hundred and forty miles! The car was at once ballasted, and Kennedy, closely followed by Joe, leaped out. "Take your guns with you!" said the doctor; "take your guns, and be careful!" Dick grasped his rifle, and Joe took one of the fowling-pieces. They then rapidly made for the trees, and disappeared under the fresh verdure, which announced the presence of abundant springs. As they hurried on, they had not taken notice of certain large footprints and fresh tracks of some living creature marked here and there in the damp soil. Suddenly, a dull roar was heard not twenty paces from them. "The roar of a lion!" said Joe. "Good for that!" said the excited hunter; "we'll fight him. A man feels strong when only a fight's in question." "But be careful, Mr. Kennedy; be careful! The lives of all depend upon the life of one." But Kennedy no longer heard him; he was pushing on, his eye blazing; his rifle cocked; fearful to behold in his daring rashness. There, under a palm-tree, stood an enormous black-maned lion, crouching for a spring on his antagonist. Scarcely had he caught a glimpse of the hunter, when he bounded through the air; but he had not touched the ground ere a bullet pierced his heart, and he fell to the earth dead. "Hurrah! hurrah!" shouted Joe, with wild exultation. Kennedy rushed toward the well, slid down the dampened steps, and flung himself at full length by the side of a fresh spring, in which he plunged his parched lips. Joe followed suit, and for some minutes nothing was heard but the sound they made with their mouths, drinking more like maddened beasts than men. "Take care, Mr. Kennedy," said Joe at last; "let us not overdo the thing!" and he panted for breath. But Kennedy, without a word, drank on. He even plunged his hands, and then his head, into the delicious tide--he fairly revelled in its coolness. "But the doctor?" said Joe; "our friend, Dr. Ferguson?" That one word recalled Kennedy to himself, and, hastily filling a flask that he had brought with him, he started on a run up the steps of the well. But what was his amazement when he saw an opaque body of enormous dimensions blocking up the passage! Joe, who was close upon Kennedy's heels, recoiled with him. "We are blocked in--entrapped!" "Impossible! What does that mean?--" Dick had no time to finish; a terrific roar made him only too quickly aware what foe confronted him. "Another lion!" exclaimed Joe. "A lioness, rather," said Kennedy. "Ah! ferocious brute!" he added, "I'll settle you in a moment more!" and swiftly reloaded his rifle. In another instant he fired, but the animal had disappeared. "Onward!" shouted Kennedy. "No!" interposed the other, "that shot did not kill her; her body would have rolled down the steps; she's up there, ready to spring upon the first of us who appears, and he would be a lost man!" "But what are we to do? We must get out of this, and the doctor is expecting us." "Let us decoy the animal. Take my piece, and give me your rifle." "What is your plan?" "You'll see." And Joe, taking off his linen jacket, hung it on the end of the rifle, and thrust it above the top of the steps. The lioness flung herself furiously upon it. Kennedy was on the alert for her, and his bullet broke her shoulder. The lioness, with a frightful howl of agony, rolled down the steps, overturning Joe in her fall. The poor fellow imagined that he could already feel the enormous paws of the savage beast in his flesh, when a second detonation resounded in the narrow passage, and Dr. Ferguson appeared at the opening above with his gun in hand, and still smoking from the discharge. Joe leaped to his feet, clambered over the body of the dead lioness, and handed up the flask full of sparkling water to his master. To carry it to his lips, and to half empty it at a draught, was the work of an instant, and the three travellers offered up thanks from the depths of their hearts to that Providence who had so miraculously saved them.

CHAPTER TWENTY-EIGHTH. An Evening of Delight.--Joe's Culinary Performance.--A Dissertation on Raw Meat.--The Narrative of James Bruce.--Camping out.--Joe's Dreams.--The Barometer begins to fall.--The Barometer rises again.--Preparations for Departure.--The Tempest. The evening was lovely, and our three friends enjoyed it in the cool shade of the mimosas, after a substantial repast, at which the tea and the punch were dealt out with no niggardly hand. Kennedy had traversed the little domain in all directions. He had ransacked every thicket and satisfied himself that the balloon party were the only living creatures in this terrestrial paradise; so they stretched themselves upon their blankets and passed a peaceful night that brought them forgetfulness of their past sufferings. On the morrow, May 7th, the sun shone with all his splendor, but his rays could not penetrate the dense screen of the palm-tree foliage, and as there was no lack of provisions, the doctor resolved to remain where he was while waiting for a favorable wind. Joe had conveyed his portable kitchen to the oasis, and proceeded to indulge in any number of culinary combinations, using water all the time with the most profuse extravagance. "What a strange succession of annoyances and enjoyments!" moralized Kennedy. "Such abundance as this after such privations; such luxury after such want! Ah! I nearly went mad!" "My dear Dick," replied the doctor, "had it not been for Joe, you would not be sitting here, to-day, discoursing on the instability of human affairs." "Whole-hearted friend!" said Kennedy, extending his hand to Joe. "There's no occasion for all that," responded the latter; "but you can take your revenge some time, Mr. Kennedy, always hoping though that you may never have occasion to do the same for me!" "It's a poor constitution this of ours to succumb to so little," philosophized Dr. Ferguson. "So little water, you mean, doctor," interposed Joe; "that element must be very necessary to life." "Undoubtedly, and persons deprived of food hold out longer than those deprived of water." "I believe it. Besides, when needs must, one can eat any thing he comes across, even his fellow-creatures, although that must be a kind of food that's pretty hard to digest." "The savages don't boggle much about it!" said Kennedy. "Yes; but then they are savages, and accustomed to devouring raw meat; it's something that I'd find very disgusting, for my part." "It is disgusting enough," said the doctor, "that's a fact; and so much so, indeed, that nobody believed the narratives of the earliest travellers in Africa who brought back word that many tribes on that continent subsisted upon raw meat, and people generally refused to credit the statement. It was under such circumstances that a very singular adventure befell James Bruce." "Tell it to us, doctor; we've time enough to hear it," said Joe, stretching himself voluptuously on the cool greensward. "By all means.--James Bruce was a Scotchman, of Stirlingshire, who, between 1768 and 1772, traversed all Abyssinia, as far as Lake Tyana, in search of the sources of the Nile. He afterward returned to England, but did not publish an account of his journeys until 1790. His statements were received with extreme incredulity, and such may be the reception accorded to our own. The manners and customs of the Abyssinians seemed so different from those of the English, that no one would credit the description of them. Among other details, Bruce had put forward the assertion that the tribes of Eastern Africa fed upon raw flesh, and this set everybody against him. He might say so as much as he pleased; there was no one likely to go and see! One day, in a parlor at Edinburgh, a Scotch gentleman took up the subject in his presence, as it had become the topic of daily pleasantry, and, in reference to the eating of raw flesh, said that the thing was neither possible nor true. Bruce made no reply, but went out and returned a few minutes later with a raw steak, seasoned with pepper and salt, in the African style. "'Sir,' said he to the Scotchman, 'in doubting my statements, you have grossly affronted me; in believing the thing to be impossible, you have been egregiously mistaken; and, in proof thereof, you will now eat this beef-steak raw, or you will give me instant satisfaction!' The Scotchman had a wholesome dread of the brawny traveller, and DID eat the steak, although not without a good many wry faces. Thereupon, with the utmost coolness, James Bruce added: 'Even admitting, sir, that the thing were untrue, you will, at least, no longer maintain that it is impossible.'" "Well put in!" said Joe, "and if the Scotchman found it lie heavy on his stomach, he got no more than he deserved. If, on our return to England, they dare to doubt what we say about our travels--" "Well, Joe, what would you do?" "Why, I'll make the doubters swallow the pieces of the balloon, without either salt or pepper!" All burst out laughing at Joe's queer notions, and thus the day slipped by in pleasant chat. With returning strength, hope had revived, and with hope came the courage to do and to dare. The past was obliterated in the presence of the future with providential rapidity. Joe would have been willing to remain forever in this enchanting asylum; it was the realm he had pictured in his dreams; he felt himself at home; his master had to give him his exact location, and it was with the gravest air imaginable that he wrote down on his tablets fifteen degrees forty-three minutes east longitude, and eight degrees thirty-two minutes north latitude. Kennedy had but one regret, to wit, that he could not hunt in that miniature forest, because, according to his ideas, there was a slight deficiency of ferocious wild beasts in it. "But, my dear Dick," said the doctor, "haven't you rather a short memory? How about the lion and the lioness?" "Oh, that!" he ejaculated with the contempt of a thorough-bred sportsman for game already killed. "But the fact is, that finding them here would lead one to suppose that we can't be far from a more fertile country." "It don't prove much, Dick, for those animals, when goaded by hunger or thirst, will travel long distances, and I think that, to-night, we had better keep a more vigilant lookout, and light fires, besides." "What, in such heat as this?" said Joe. "Well, if it's necessary, we'll have to do it, but I do think it a real pity to burn this pretty grove that has been such a comfort to us!" "Oh! above all things, we must take the utmost care not to set it on fire," replied the doctor, "so that others in the same strait as ourselves may some day find shelter here in the middle of the desert." "I'll be very careful, indeed, doctor; but do you think that this oasis is known?" "Undoubtedly; it is a halting-place for the caravans that frequent the centre of Africa, and a visit from one of them might be any thing but pleasant to you, Joe." "Why, are there any more of those rascally Nyam-Nyams around here?" "Certainly; that is the general name of all the neighboring tribes, and, under the same climates, the same races are likely to have similar manners and customs." "Pah!" said Joe, "but, after all, it's natural enough. If savages had the ways of gentlemen, where would be the difference? By George, these fine fellows wouldn't have to be coaxed long to eat the Scotchman's raw steak, nor the Scotchman either, into the bargain!" With this very sensible observation, Joe began to get ready his firewood for the night, making just as little of it as possible. Fortunately, these precautions were superfluous; and each of the party, in his turn, dropped off into the soundest slumber. On the next day the weather still showed no sign of change, but kept provokingly and obstinately fair. The balloon remained motionless, without any oscillation to betray a breath of wind. The doctor began to get uneasy again. If their stay in the desert were to be prolonged like this, their provisions would give out. After nearly perishing for want of water, they would, at last, have to starve to death! But he took fresh courage as he saw the mercury fall considerably in the barometer, and noticed evident signs of an early change in the atmosphere. He therefore resolved to make all his preparations for a start, so as to avail himself of the first opportunity. The feeding-tank and the water-tank were both completely filled. Then he had to reestablish the equilibrium of the balloon, and Joe was obliged to part with another considerable portion of his precious quartz. With restored health, his ambitious notions had come back to him, and he made more than one wry face before obeying his master; but the latter convinced him that he could not carry so considerable a weight with him through the air, and gave him his choice between the water and the gold. Joe hesitated no longer, but flung out the requisite quantity of his much-prized ore upon the sand. "The next people who come this way," he remarked, "will be rather surprised to find a fortune in such a place." "And suppose some learned traveller should come across these specimens, eh?" suggested Kennedy. "You may be certain, Dick, that they would take him by surprise, and that he would publish his astonishment in several folios; so that some day we shall hear of a wonderful deposit of gold-bearing quartz in the midst of the African sands!" "And Joe there, will be the cause of it all!" This idea of mystifying some learned sage tickled Joe hugely, and made him laugh. During the rest of the day the doctor vainly kept on the watch for a change of weather. The temperature rose, and, had it not been for the shade of the oasis, would have been insupportable. The thermometer marked a hundred and forty-nine degrees in the sun, and a veritable rain of fire filled the air. This was the most intense heat that they had yet noted. Joe arranged their bivouac for that evening, as he had done for the previous night; and during the watches kept by the doctor and Kennedy there was no fresh incident. But, toward three o'clock in the morning, while Joe was on guard, the temperature suddenly fell; the sky became overcast with clouds, and the darkness increased. "Turn out!" cried Joe, arousing his companions. "Turn out! Here's the wind!" "At last!" exclaimed the doctor, eying the heavens. "But it is a storm! The balloon! Let us hasten to the balloon!" It was high time for them to reach it. The Victoria was bending to the force of the hurricane, and dragging along the car, the latter grazing the sand. Had any portion of the ballast been accidentally thrown out, the balloon would have been swept away, and all hope of recovering it have been forever lost. But fleet-footed Joe put forth his utmost speed, and checked the car, while the balloon beat upon the sand, at the risk of being torn to pieces. The doctor, followed by Kennedy, leaped in, and lit his cylinder, while his companions threw out the superfluous ballast. The travellers took one last look at the trees of the oasis bowing to the force of the hurricane, and soon, catching the wind at two hundred feet above the ground, disappeared in the gloom.

CHAPTER TWENTY-NINTH. Signs of Vegetation.--The Fantastic Notion of a French Author.--A Magnificent Country.--The Kingdom of Adamova.--The Explorations of Speke and Burton connected with those of Dr. Barth.--The Atlantika Mountains.--The River Benoue.--The City of Yola.--The Bagele.--Mount Mendif. From the moment of their departure, the travellers moved with great velocity. They longed to leave behind them the desert, which had so nearly been fatal to them. About a quarter-past nine in the morning, they caught a glimpse of some signs of vegetation: herbage floating on that sea of sand, and announcing, as the weeds upon the ocean did to Christopher Columbus, the nearness of the shore--green shoots peeping up timidly between pebbles that were, in their turn, to be the rocks of that vast expanse. Hills, but of trifling height, were seen in wavy lines upon the horizon. Their profile, muffled by the heavy mist, was defined but vaguely. The monotony, however, was beginning to disappear. The doctor hailed with joy the new country thus disclosed, and, like a seaman on lookout at the mast-head, he was ready to shout aloud: "Land, ho! land!" An hour later the continent spread broadly before their gaze, still wild in aspect, but less flat, less denuded, and with a few trees standing out against the gray sky. "We are in a civilized country at last!" said the hunter. "Civilized? Well, that's one way of speaking; but there are no people to be seen yet." "It will not be long before we see them," said Ferguson, "at our present rate of travel." "Are we still in the negro country, doctor?" "Yes, and on our way to the country of the Arabs." "What! real Arabs, sir, with their camels?" "No, not many camels; they are scarce, if not altogether unknown, in these regions. We must go a few degrees farther north to see them." "What a pity!" "And why, Joe?" "Because, if the wind fell contrary, they might be of use to us." "How so?" "Well, sir, it's just a notion that's got into my head: we might hitch them to the car, and make them tow us along. What do you say to that, doctor?" "Poor Joe! Another person had that idea in advance of you. It was used by a very gifted French author-- M. Mery--in a romance, it is true. He has his travellers drawn along in a balloon by a team of camels; then a lion comes up, devours the camels, swallows the tow-rope, and hauls the balloon in their stead; and so on through the story. You see that the whole thing is the top-flower of fancy, but has nothing in common with our style of locomotion." Joe, a little cut down at learning that his idea had been used already, cudgelled his wits to imagine what animal could have devoured the lion; but he could not guess it, and so quietly went on scanning the appearance of the country. A lake of medium extent stretched away before him, surrounded by an amphitheatre of hills, which yet could not be dignified with the name of mountains. There were winding valleys, numerous and fertile, with their tangled thickets of the most various trees. The African oil-tree rose above the mass, with leaves fifteen feet in length upon its stalk, the latter studded with sharp thorns; the bombax, or silk-cotton-tree, filled the wind, as it swept by, with the fine down of its seeds; the pungent odors of the pendanus, the "kenda" of the Arabs, perfumed the air up to the height where the Victoria was sailing; the papaw-tree, with its palm-shaped leaves; the sterculier, which produces the Soudan-nut; the baobab, and the banana-tree, completed the luxuriant flora of these inter-tropical regions. "The country is superb!" said the doctor. "Here are some animals," added Joe. "Men are not far away." "Oh, what magnificent elephants!" exclaimed Kennedy. "Is there no way to get a little shooting?" "How could we manage to halt in a current as strong as this? No, Dick; you must taste a little of the torture of Tantalus just now. You shall make up for it afterward." And, in truth, there was enough to excite the fancy of a sportsman. Dick's heart fairly leaped in his breast as he grasped the butt of his Purdy. The fauna of the region were as striking as its flora. The wild-ox revelled in dense herbage that often concealed his whole body; gray, black, and yellow elephants of the most gigantic size burst headlong, like a living hurricane, through the forests, breaking, rending, tearing down, devastating every thing in their path; upon the woody slopes of the hills trickled cascades and springs flowing northward; there, too, the hippopotami bathed their huge forms, splashing and snorting as they frolicked in the water, and lamantines, twelve feet long, with bodies like seals, stretched themselves along the banks, turning up toward the sun their rounded teats swollen with milk. It was a whole menagerie of rare and curious beasts in a wondrous hot-house, where numberless birds with plumage of a thousand hues gleamed and fluttered in the sunshine. By this prodigality of Nature, the doctor recognized the splendid kingdom of Adamova. "We are now beginning to trench upon the realm of modern discovery. I have taken up the lost scent of preceding travellers. It is a happy chance, my friends, for we shall be enabled to link the toils of Captains Burton and Speke with the explorations of Dr. Barth. We have left the Englishmen behind us, and now have caught up with the Hamburger. It will not be long, either, before we arrive at the extreme point attained by that daring explorer." "It seems to me that there is a vast extent of country between the two explored routes," remarked Kennedy; "at least, if I am to judge by the distance that we have made." "It is easy to determine: take the map and see what is the longitude of the southern point of Lake Ukereoue, reached by Speke." "It is near the thirty-seventh degree." "And the city of Yola, which we shall sight this evening, and to which Barth penetrated, what is its position?" "It is about in the twelfth degree of east longitude." "Then there are twenty-five degrees, or, counting sixty miles to each, about fifteen hundred miles in all." "A nice little walk," said Joe, "for people who have to go on foot." "It will be accomplished, however. Livingstone and Moffat are pushing on up this line toward the interior. Nyassa, which they have discovered, is not far from Lake Tanganayika, seen by Burton. Ere the close of the century these regions will, undoubtedly, be explored. But," added the doctor, consulting his compass, "I regret that the wind is carrying us so far to the westward. I wanted to get to the north." After twelve hours of progress, the Victoria found herself on the confines of Nigritia. The first inhabitants of this region, the Chouas Arabs, were feeding their wandering flocks. The immense summits of the Atlantika Mountains seen above the horizon--mountains that no European foot had yet scaled, and whose height is computed to be ten thousand feet! Their western slope determines the flow of all the waters in this region of Africa toward the ocean. They are the Mountains of the Moon to this part of the continent. At length a real river greeted the gaze of our travellers, and, by the enormous ant-hills seen in its vicinity, the doctor recognized the Benoue, one of the great tributaries of the Niger, the one which the natives have called "The Fountain of the Waters." "This river," said the doctor to his companions, "will, one day, be the natural channel of communication with the interior of Nigritia. Under the command of one of our brave captains, the steamer Pleiad has already ascended as far as the town of Yola. You see that we are not in an unknown country." Numerous slaves were engaged in the labors of the field, cultivating sorgho, a kind of millet which forms the chief basis of their diet; and the most stupid expressions of astonishment ensued as the Victoria sped past like a meteor. That evening the balloon halted about forty miles from Yola, and ahead of it, but in the distance, rose the two sharp cones of Mount Mendif. The doctor threw out his anchors and made fast to the top of a high tree; but a very violent wind beat upon the balloon with such force as to throw it over on its side, thus rendering the position of the car sometimes extremely dangerous. Ferguson did not close his all night, and he was repeatedly on the point of cutting the anchor-rope and scudding away before the gale. At length, however, the storm abated, and the oscillations of the balloon ceased to be alarming. On the morrow the wind was more moderate, but it carried our travellers away from the city of Yola, which recently rebuilt by the Fouillans, excited Ferguson's curiosity. However, he had to make up his mind to being borne farther to the northward and even a little to the east. Kennedy proposed to halt in this fine hunting-country, and Joe declared that the need of fresh meat was beginning to be felt; but the savage customs of the country, the attitude of the population, and some shots fired at the Victoria, admonished the doctor to continue his journey. They were then crossing a region that was the scene of massacres and burnings, and where warlike conflicts between the barbarian sultans, contending for their power amid the most atrocious carnage, never cease. Numerous and populous villages of long low huts stretched away between broad pasture-fields whose dense herbage was besprinkled with violet-colored blossoms. The huts, looking like huge beehives, were sheltered behind bristling palisades. The wild hill-sides and hollows frequently reminded the beholder of the glens in the Highlands of Scotland, as Kennedy more than once remarked. In spite of all he could do, the doctor bore directly to the northeast, toward Mount Mendif, which was lost in the midst of environing clouds. The lofty summits of these mountains separate the valley of the Niger from the basin of Lake Tchad. Soon afterward was seen the Bagele, with its eighteen villages clinging to its flanks like a whole brood of children to their mother's bosom--a magnificent spectacle for the beholder whose gaze commanded and took in the entire picture at one view. Even the ravines were seen to be covered with fields of rice and of arachides. By three o'clock the Victoria was directly in front of Mount Mendif. It had been impossible to avoid it; the only thing to be done was to cross it. The doctor, by means of a temperature increased to one hundred and eighty degrees, gave the balloon a fresh ascensional force of nearly sixteen hundred pounds, and it went up to an elevation of more than eight thousand feet, the greatest height attained during the journey. The temperature of the atmosphere was so much cooler at that point that the aeronauts had to resort to their blankets and thick coverings. Ferguson was in haste to descend; the covering of the balloon gave indications of bursting, but in the meanwhile he had time to satisfy himself of the volcanic origin of the mountain, whose extinct craters are now but deep abysses. Immense accumulations of bird-guano gave the sides of Mount Mendif the appearance of calcareous rocks, and there was enough of the deposit there to manure all the lands in the United Kingdom. At five o'clock the Victoria, sheltered from the south winds, went gently gliding along the slopes of the mountain, and stopped in a wide clearing remote from any habitation. The instant it touched the soil, all needful precautions were taken to hold it there firmly; and Kennedy, fowling-piece in hand, sallied out upon the sloping plain. Ere long, he returned with half a dozen wild ducks and a kind of snipe, which Joe served up in his best style. The meal was heartily relished, and the night was passed in undisturbed and refreshing slumber.

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