“Why, it’s a rowboat.”

“Exactly, Gus, and do you see how it is painted, drab with blue stripes?”

“Of course—a pretty ugly boat, I think.”

“Gus, that is the very rowboat used by that wild man—the one he was in when he got away from us that day!”

“Do you really mean it?” gasped the big boy, staring hard at the craft.

“I certainly do—I’d know that boat in a hundred. I never saw another just like it.”

“If that’s the case, maybe the wild man is on the island!”

“Just what I was thinking,” answered Dave. “And I was thinking, too, that––” He stopped short.

“What?”

“Don’t you remember how Nat was so anxious to know all about the wild man? And how upset he seemed to be when he heard that the fellow called himself the King of Sumatra?”