"This way, Carl," shouted Matt.
"Vere iss der feller vat knocked us down?"
"I don't know, but it's a cinch that he's somewhere in the boat. He can't get away without passing through the room where Dick is, and, if he tries that——"
Matt broke off his words with an exclamation. He had stumbled over something on the floor.
Going down on his knees he groped over the object with his hands and discovered that it was the form of a man, as helplessly bound and gagged as were Jurgens and Whistler, in the tent on the island, at that moment.
With his hands Matt twisted the gag from the man's lips.
"Who are you?" he asked.
"Cassidy's my name," was the breathless answer; "and who are you?"
"Motor Matt."
"Great hullaballoo!" muttered Cassidy. "How'd you get here?"