"I don't see it," said Frank. "It looks to me as if when you rescue Mr. Hampton the fun will all be over. But that's the way with you big bullies. Always picking on the little fellow."

"Well, you see," said Bob mischievously, "I've got to keep you out of danger for Della's sake. Ouch! Wow! Letup. Can't you take a joke."

For, lame shoulder notwithstanding, Frank leaped and, bowling the big fellow out of his chair, got astride of his writhing body and began to pummel him.

CHAPTER XXII

FLYING TO THE RESCUE

"Come on. Strip."

It was Bob talking, and the command was addressed to Morales and Von Arnheim. Tom Bodine stood guard over them with leveled revolver.

"But, why?" protested Von Arnheim.

"Ask us no questions an' we'll tell you no lies," said Tom, waving his weapon. "Jest do what you're tole."

Sullenly the two men obeyed. When their outer clothing had been removed, and they stood revealed in light-weight undergarments—a well set-up powerful pair of men, about the height of Jack and Bob although neither was so sturdy as the latter—Bob halted them.