“Well,” grunted one, a strapping six-footer, “he’s tied and gagged, but he is still able to fight.”

“He’s—half—killed—me!” gasped the fellow Frank had kicked. “But I’ll make him suffer for it!”

“Better see his feet are tied before you try any more tricks with him,” half laughed the big whitecap, who seemed to admire Frank’s pluck.

“Tie his legs!” grated the leader, sitting up, but still groaning. “Tie them at the knees!”

Frank made a sudden leap and placed his back against the wall, while his eyes flashed the defiance and warning his lips could not utter. It was plain enough that he meant to defend himself as long as possible, bound though he was.

“At him!” snarled the leader. “Jump on him!”

“Why don’t you get in and do some of the jumping?” asked the big fellow. “Here’s a nice chance for you.”

“Oh, I will! I’ll——”

He finished with a cry of pain and fell back to the floor, after trying to rise.

“My leg!” he gasped. “I believe it is broken!”