"Remember what Muata said about Hassan drowning out the valley."

"One of his figures of speech."

"S'pose that rock fell; it would just about fill up this passage, river and all. And if it did not quite, a few men working from the ledge, which you see would be behind the dam, could easily fill up the cracks. Then the river could be dammed and the valley flooded."

"They'd have to blast the rock, and the task would be too troublesome."

They returned slowly through the defile, stopping at the place where the warrior had sprung out on Compton, and on reaching the valley, went down among the rustling bananas and among the gardens, where the women stopped their work to shout out merry greetings, and to offer them earth-nuts, wild cherries, sweet cane from the maize patches, and a thick porridge-like beverage made from the red millet. They watched the little pickaninnies basking in the sun, and as they strolled, rejoicing in the brightness and in the beauty of this little island of rest, set within an ocean of trees, they were followed by an admiring company of lads, each carrying his hurling- stick. Coming to a little patch of reeds in the far corner of the valley, the black boys, with shouts, gave chase to a long-tailed finch, clothed in a beautiful waistcoat of orange. The two white chiefs threw aside their dignity, and when, after a breathless chase, the bird, hampered by its streaming tail-feathers, was caught, each chief stuck a feather in his hatband. They worked round the valley, seeing many strange birds and curious insects, back towards the cave, arriving on the ledge at dusk. At once they opened out on Mr. Hume with a description of where they had been and what they had seen.

The Hunter listened patiently, but he was evidently preoccupied.

"We have seen all the valley, sir, and if we do have to stay here longer than we thought, it is a consolation to think that it is a jolly place."

"I have been away myself," said Mr. Hume, "and I made an unpleasant discovery. At first I thought it best to keep it from you, but I know you would not like that."

"No, sir."

"The boat has gone!"