Only their instinctive leap to the left before they made the dive had saved them from destruction. It had prevented the elephants from falling on top of them, for some of the great beasts, charging straight ahead in a blind fury, had plunged headlong over the brink into the lake.

The turmoil of the water soon subsided, and the swimmers, on regaining the use of their faculties, found themselves in the company of the scattered herd, all swimming in search of a landing-place.

In a few moments Royce caught at a branch of an overhanging tree, and both he and Challis drew themselves up among the foliage, and watched the ungainly animals swim by.

"Hope it's cooled their rage," said Royce in gasps. "We've had a narrow squeak."

"Yes, indeed! Under several tons of elephant flesh we should have been pretty well flattened out. What made them stampede, I wonder?"

"Our scent, perhaps. I hope they weren't started by the Tubus."

"We had better get back. It will be rather a feat to climb the cliff, by the look of it."

They crept along the tree to the place where it sprang from the cliff, then clambered up the steep face with the aid of straggling plants and knobby projections.

When their heads appeared over the edge, there were loud shouts of joy, and John came rushing up at the head of the whole party of negroes.

"Fink you gone dead, sah," he said, his broad face beaming. "All alive and safe and sound, and always merry and bright. Yoi-aloo! Hurray!"