"I'll stop that. I'll go and pick my men and make 'em go to sleep. Wake me at five, there's a good chap. By Jove! Wouldn't my old dad be in a stew if he knew what was up! We're risking a lot when you come to think of it; but we've been lucky so far, and with rifles and plenty of ammunition I fancy we'll win through. If I'm not back within two or three days you had better make tracks for the farm. Don't forget to wake me at five."

"All right. Pleasant dreams!"

Precisely at five o'clock John was roused, to find ready for him a breakfast of steaming stew and baked millet cakes. Ferrier had also prepared a litter for the prisoner, whose wound forbade him to walk. At half-past five the little company set off, consisting of John and the Wanderobbo, and twenty of the villagers. John had his rifle, a spare one being carried by a man at his side. Only two of the other men had ever handled firearms; these were given rifles, and carried the ammunition in little bundles slung to their backs. John had filled his bandolier and his pockets with cartridges. Ferrier said good-bye to him at the gate of the boma, and started the men left behind in a rousing cheer.

The party marched very rapidly, John at the head with Bill and the litter-bearers, so that the prisoner might keep them in the right way. They followed the course of the stream for about a mile; then forded it, and made across a stretch of grassland, in which, as the morning advanced, they started large numbers of game. Just before noon they reached the river of which the prisoner had spoken, a slow, gurgling current of red water. Here they halted for a meal of beans and millet; then after an hour's rest set forth again. They had gone but a short distance up-stream when, as they ascended a slight acclivity, Bill was seized with intense excitement. Pointing to a flat-topped hill many miles away, he cried that it was there the Arab safari was attacked, and near by the ivory was hidden. A projecting spur to the right was the site of the shambas whence the people had pounced out to the assault. His own old home lay half a day's journey beyond the hill.

John pressed on now even more rapidly. Though he had met with no natives on the way, he could not be sure that some of the fugitives had not outstripped him along another route. For the most part he kept to the river, striking off here and there to avoid wide sweeping curves, as the prisoner indicated. Presently he saw in the distance a bold bluff rising to a hundred feet above the plain, and stretching across the line of march. The fort, said the prisoner, lay a short distance beyond the bluff, which was cut in two by the river. Up the side of the bluff wound a steep pathway, and at the top a look-out was constantly stationed, except at night, when he was withdrawn into the fort. From this high post the plain could be seen for miles. Knowing how keen is the negro's sight, John called a halt before it was likely that his party had come within the range of vision. The rest of the journey must be performed in the dark. He led the men into the bush at some distance from the river, so that they should not be seen by any one who might pass either to or from the fort. Again he impressed upon them the necessity for silence.

At nightfall, refreshed by the rest, they started once more, confident of being able to approach the bluff unobserved. An hour's march under the pale light of the stars brought them to its foot, and John heard the noise of water rushing swiftly through the gorge. The pathway, said the prisoner, started from a spot very near the river-bank. Even with his directions it proved by no means easy to find in the darkness, and when at last they lit upon it, and John began the ascent, it was scarcely less difficult to keep to the track. Bill fell on his knees and groped along it with his hand, saying when he arose that it had not been made originally by men, but trodden by game descending from the hills to the plain.

Coming at length, after a tortuous and toilsome climb, to the summit, John paused to take breath and to look about him. Below on his left he could now see the foaming river racing through the gorge. Beyond, the ground sloped gradually to the plain. There was no sound save that of the swirling water, no sign of the presence of men. He went on, until he came once more to the brink of the river, and a mile further on saw gleaming in the starlight a broad pool, in the midst of which rose a dark mass. This, said the prisoner, was the island and fort, and at the upper end of the pool the river ran down swiftly, but not so swiftly as below.

Striking off to the right towards a belt of woodland, John led his party until they came opposite the island. It was dark and silent: no one would have supposed that the fort held men. John could see an irregular path leading from the shore to the island. This, said the prisoner, was a line of rocks flung down into the water, and so narrow that only one man could walk along it at a time. There was a gap between the island and the end of the causeway. The prisoner explained that a bridge was thrown over the gap to enable men to enter and leave the fort, the wall of which came to within a few feet of the shore of the island. At night the bridge was drawn up.

John stood to consider his next move. His purpose in bringing the prisoner was to use him as a decoy to draw the garrison from the fort. He was confronted with a difficulty. The man could not walk. He would be useless as a decoy unless he could advance along the causeway so far as to bring him within hearing of his fellows. The bullet was still in the man's leg; John wished he had thought of probing the wound before; it was impossible to do it now. The negro is a hardy animal, stolid under pain. John promised to give the man a handsome present if he would leave the litter and go with a message to the fort. The man agreed with such alacrity as to suggest an intention of treachery, but John provided against that. He had the prisoner bound to him by a cord about his ankle, and showing him his revolver, he explained what the result would be if he did anything but what he was told to do. He carefully instructed the prisoner in the part he was required to play, repeating his words so that he could not mistake. Then, having placed the remainder of his party under cover of the wood, he set forth with the negro.

There was now a light in the fort, and the glow of a fire. Clearly somebody was awake. The two men walked down to the edge of the pool, and on to the causeway, the guide limping painfully, but uttering no murmur. John walked close behind him, so that he might not be descried from the fort. They had gone about half-way along the causeway when a voice rang out from some point ahead. The prisoner gave an answering shout. John's nerves were at too high a tension to permit of his feeling amusement at the greetings that were exchanged.