“Then what is the use of keeping away? He may be waiting to play some trick, or something like that.”

“Oh, I think not, Gus. Probably he just visited the island out of curiosity. But I’ll go in if you say so.”

Slowly, so as to avoid the many rocks in that vicinity, the two students brought the rowboat close up to the motor-craft. They looked into the bushes and along the rocks beyond, but saw nothing of Nat.

“Shall we call to him?” asked Gus.

“What for? I don’t want to see him.”

“Neither do I. His boat is tied good and fast. He must expect to stay on the island quite a while.”

The two boys rowed on, past the motor-boat. Then, as they turned a point of rocks, Dave gave a start.

“Well, of all things!”

“What is it, Dave?” 125

“Look yonder—in between those bushes!”