"Where is he? Why doesn't he come up?"
"He must be playing a trick on Porter. Maybe he is under the dock."
"No, he can't get under the dock. It is all boarded up."
"He must have struck his head on something, or got a cramp, being so heated up."
Dave continued to wait, and as his enemy did not come to light, a cold chill ran over him. What if Plum was really hurt, or in trouble under water? He knew that the bully was not the best of swimmers.
"There he is!" came in a shout from one of the boys, and he pointed out into the stream, to where Gus Plum's body was floating along, face downward.
Dave gave one look and his heart seemed to leap into his throat. By the side of the dock was a rowboat, with the oars across the seats. He made a bound for it.
"Come," he said, motioning to Roger, and the senator's son followed him into the craft. They shoved off with vigor, and Dave took up the oars. Then another boat put off, containing Poole and two other students.
A few strokes sufficed to bring the first rowboat up alongside of the form of the bully. Plum had turned partly over and was on the point of sinking again, when Roger reached out and caught him by
