other deputies following.

"That's all right, Tom. We have to follow many false clews. I'm much obliged to you. Either we were on the wrong track, or the Fogers are more clever than I gave them credit for. But I am not done yet. I have something to propose to you. It has come to me in the last few minutes. I saw you in your airship once, and I know you know how to manage such craft. Now there is no question in my mind but what the smugglers are using airships. Tom, will you undertake a mission for Uncle Sam?"

"What do you mean?"

"I mean will you go to the border, in your airship, and try to catch the smugglers? I can promise you a big reward, and much fame if we catch them. An airship is just what is needed. You are the one to do it. Will you?"