“I suppose you know,” said he, “that I could jab this button and have the house policeman up here in about two minutes.”

“Mercy!” gasped Nick, all but tying himself up in a knot.

“Oh, brace up, brace up!” grunted the other. “Haven’t you got any sand at all?”

“How much sand do you expect a man to have when he’s caught red-handed like this?”

“You ought to back your legitimate amount of nerve, no matter what happens. You know, I suppose, that I could send you up for quite a spell for what you have tried to do here this afternoon?”

“In the name of——”

“Will you hush that yaup?” said the man with the gun, exasperated.

“But if you knew——”

“I know you’re a sneak thief, and that I’ve got you dead to rights. Understand? Now, if you want to do the right thing, there’s a chance for you to square yourself with me.”

“What is it?” cried Nick, eagerly.