"This I know of N'bosini," said the sergeant, "that all men along this river believe in it; all save Bosambo of the Ochori who, as is well known, believes in nothing, since he is a follower of the Prophet and the one God."

Mahomet Ali salaamed devoutly.

"And men say that this land lies at the back of the N'gombi country; and others that it lies near the territories of the old King; and some others who say that it is a far journey beyond the French's territory, farther than man can walk, that its people have wings upon their shoulders and can fly, and that their eyes are so fierce that trees burn when they look upon them. This only we know, lord, we, of your soldiers, who have followed Sandi through all his high adventures, that when men talk of N'bosini, there is trouble, for they are seeking something to excuse their own wickedness."

All night long, as Bones turned from side to side in his hot cabin, listening to the ineffectual buzzings of the flies that sought, unsuccessfully, to reach the interior of the cabin through a fine meshed screen, the problem of N'bosini revolved in his mind.

Was it likely, thought Bones, cunningly, that men should invent a country, even erring men, seeking an excuse? Did not all previous experience go to the support of the theory that N'bosini had some existence? In other words that, planted in the secret heart of some forest in the territory, barred from communication with the world by swift rivers of the high tangle of forests, there was, in being, a secret tribe of which only rumours had been heard—a tribe of white men, perhaps!

Bones had read of such things in books; he knew his "Solomon's Mines" and was well acquainted with his "Allan Quatermain." Who knows but that through the forest was a secret path held, perchance, by armoured warriors, which led to the mountains at the edge of the Old King's territory, where in the folds of the inaccessible hills, there might be a city of stone, peopled and governed by stern white-bearded men, and streets filled with beautiful maidens garbed in the style of ancient Greece!

"It is all dam' nonsense of course," said Bones to himself, though feebly; "but, after all there may be something in this. There's no smoke without fire."

The idea took hold of him and gripped him most powerfully. He took Sanders' priceless maps and carefully triangulated them, consulting every other written authority on the ship. He stopped at villages and held palavers on this question of N'bosini and acquired a whole mass of conflicting information.

If you smile at Bones, you smile at the glorious spirit of enterprise which has created Empire. Out of such dreams as ran criss-cross through the mind of Lieutenant Tibbetts there have arisen nationalities undreamt of and Empires Cæsar never knew.