seen. Evidently the camp had been deserted hours before.
"I don't see anybody," whispered Walter.
"Nor I. Let us go on." And the journey down the tiny stream was resumed. Soon they came to a little waterfall, and here it was with difficulty that they let themselves down the rocks for a distance of fifteen feet or more. When almost to the bottom, poor Si slipped and landed in a thorn bush.
"Wow!" he cried. "O dear me! I'm bein' stuck to death! Save me!" Walter ran to his aid, but it was not until Si's trousers had been torn in several places that he was released from his unpleasant situation.
"You've made a good deal of noise," said Walter, quickly. "We had better get along, or the natives will be following us." And they started off at an increased rate of speed. But the path was uncertain, and before he knew it, Walter pitched headlong into a wet hole.
"Hullo, you're as bad as me," cried Si, and started to help Walter up, when he heard a savage cry, coming from the top of the ravine, on their left. Looking in the direction, he made out the dim forms of several men, evidently natives, for each flourished a war-club.
