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appears to be only a promontory at low tide.
The balloon approached the lake more to the northward, to the doctor’s great regret, for it had been his wish to determine its lower outlines. Its shores seemed to be thickly set with brambles and thorny plants, growing together in wild confusion, and were literally hidden, sometimes, from the gaze, by myriads of mosquitoes of a light-brown hue. The country was evidently habitable and inhabited. Troops of hippopotami could be seen disporting themselves in the forests of reeds, or plunging beneath the whitish waters of the lake.
The latter, seen from above, presented, toward the west, so broad an horizon that it might have been called a sea; the distance between the two shores is so great that communication cannot be established, and storms are frequent and violent, for the winds sweep with fury over this elevated and unsheltered basin.
The doctor experienced some difficulty in guiding his course; he was afraid of being carried toward the east, but, fortunately, a current bore him directly toward the north, and at six o’clock in the evening the balloon alighted on a small desert island in thirty minutes south latitude, and thirty-two degrees fifty-two minutes east longitude, about twenty miles from the shore.
The travellers succeeded in making fast to a tree, and, the wind having fallen calm toward evening, they remained quietly at anchor. They dared not dream of taking the ground, since here, as on the shores of the Uyanza, legions of mosquitoes covered the soil in dense clouds. Joe even came back, from securing the anchor in the tree, speckled with bites, but he kept his temper, because he found it quite the natural thing for mosquitoes to treat him as they had done.
Nevertheless, the doctor, who was less of an optimist, let out as much rope as he could, so as to escape these pitiless insects, that began to rise toward him with a threatening hum.
The doctor ascertained the height of the lake above the level of the sea, as it had been determined by Captain Speke, say three thousand seven hundred and fifty feet.
“Here we are, then, on an island!” said Joe, scratching as though he’d tear his nails out.
“We could make the tour of it in a jiffy,” added Kennedy, “and, excepting these confounded mosquitoes, there’s not a living being to be seen on it.”
“The islands with which the lake is dotted,” replied the doctor, “are nothing, after all, but the tops of submerged hills; but we are lucky to have found a retreat among them, for the shores of the lake are inhabited by ferocious tribes. Take your sleep, then, since Providence has granted us a tranquil night.”
“Won’t you do the same, doctor?”
“No, I could not close my eyes. My thoughts would banish sleep. Tomorrow, my friends, should the wind prove favorable, we shall go due north, and we shall, perhaps, discover the sources of the Nile, that grand secret which has so long remained impenetrable. Near as we are to the sources of the renowned river, I could not sleep.”
Kennedy and Joe, whom scientific speculations failed to disturb to that extent, were not long in falling into sound slumber, while the doctor held his post.
On Wednesday, April 23d, the balloon started at four o’clock in the morning, with a grayish sky overhead; night was slow in quitting the surface of the lake, which was enveloped in a dense fog, but presently a violent breeze scattered all the mists, and, after the balloon had been swung to and fro for a moment, in opposite directions, it at length veered in a straight line toward the north.
Dr. Ferguson fairly clapped his hands for joy.
“We are on the right track!” he exclaimed. “To-day or never we shall see the Nile! Look, my friends, we are crossing the equator! We are entering our own hemisphere!”
“Ah!” said Joe, “do you think, doctor, that the equator passes here?”
“Just here, my boy!”
“Well, then, with all respect to you, sir, it seems to me that this is the very time to moisten it.”
“Good!” said the doctor, laughing. “Let us have a glass of punch. You have a way of comprehending cosmography that is any thing but dull.”
And thus was the passage of the Victoria over the equator duly celebrated.
The balloon made rapid headway. In the west could be seen a low and but slightly-diversified coast, and, farther away in the background, the elevated plains of the Uganda and the Usoga. At length, the rapidity of the wind became excessive, approaching thirty miles per hour.
The waters of the Nyanza, violently agitated, were foaming like the billows of a sea. By the appearance of certain long swells that followed the sinking of the waves, the doctor was enabled to conclude that the lake must have great depth of water. Only one or two rude boats were seen during this rapid passage.
“This lake is evidently, from its elevated position, the natural reservoir of the rivers in the eastern part of Africa, and the sky gives back to it in rain what it takes in vapor from the streams that flow out of it. I am certain that the Nile must here take its rise.”
“Well, we shall see!” said Kennedy.
About nine o’clock they drew nearer to the western coast. It seemed deserted, and covered with woods; the wind freshened a little toward the east, and the other shore of the lake could be seen. It bent around in such a curve as to end in a wide angle toward two degrees forty minutes north latitude. Lofty mountains uplifted their arid peaks at this extremity of Nyanza; but, between them, a deep and winding gorge gave exit to a turbulent and foaming river.
While busy managing the balloon, Dr. Ferguson never ceased reconnoitring the country with eager eyes.
“Look!” he exclaimed, “look, my friends! the statements of the Arabs were correct! They spoke of a river by which Lake Ukereoue discharged its waters toward the north, and this river exists, and we are descending it, and it flows with a speed analogous to our own! And this drop of water now gliding away beneath our feet is, beyond all question, rushing on, to mingle with the Mediterranean! It is the Nile!”
“It is the Nile!” reeechoed Kennedy, carried away by the enthusiasm of his friend.
“Hurrah for the Nile!” shouted Joe, glad, and always ready to cheer for something.
Enormous rocks, here and there, embarrassed the course of this mysterious river. The water foamed as it fell in rapids and cataracts, which confirmed the doctor in his preconceived ideas on the subject. From the environing mountains numerous torrents came plunging and seething down, and the eye could take them in by hundreds. There could be seen, starting from the soil, delicate jets of water scattering in all directions, crossing and recrossing each other, mingling, contending in the swiftness of their progress, and all rushing toward that nascent stream which became a river after having drunk them in.
“Here is, indeed, the Nile!” reiterated the doctor, with the tone of profound conviction. “The origin of its name, like the origin of its waters, has fired the imagination of the learned; they have sought to trace it from the Greek, the Coptic, the Sanscrit; but all that matters little now, since we have made it surrender the secret of its source!”
“But,” said the Scotchman, “how are you to make sure of the identity of this river with the one recognized by the travellers from the north?”
“We shall have certain, irrefutable, convincing, and infallible proof,” replied Ferguson, “should the wind hold another hour in our favor!”
The mountains drew farther apart, revealing in their place numerous villages, and fields of white Indian corn, doura, and sugarcane. The tribes inhabiting the region seemed excited and hostile; they manifested more anger than adoration, and evidently saw in the aeronauts only obtrusive strangers, and not condescending deities. It appeared as though, in approaching the sources of the Nile, these men came to rob them of something, and so the Victoria had to keep out of range of their muskets.
“To land here would be a ticklish matter!” said the Scot.
“Well!”