And as Jerry grasped the gunwale, Peters raised his heavy foot as if to crush our hero’s fingers.

But Jerry was too quick for him.

He dropped off. Then whizz! something dark flew through the air.

It was part of the broken oar, thrown by Jerry, and it took Si Peters in the neck.

“Whack him one, Harry, while you have the chance!”

Harry needed no advice on the subject. He sprang in, and a second later a resounding crack laid Si Peters flat on his back.

“That was a good one,” cried Jerry, as he clambered over the side. “Now bind him before he comes to.”

“Haven’t a blessed thing,” replied Harry.

“Here is some cord. Tie his hands together.”

While Harry was doing this, Jerry began to look around for Wash Crosby.