"No, I won't! I want my share. I've waited long enough. If I don't get what's coming to me inside of a week, I'll go to Shagmon myself and make Morse whack up. I helped on the job, and I want my money!"

"Will you be quiet?" pleaded another, and, at that instant Tom heard some one's hand on the knob. The door opened a crack, letting out a pencil of light. The men were evidently coming out. The young inventor did not wait to hear more. He had a clue now, and, running on tiptoes, he made his way to the staircase and out of the scuttle on the roof.

Chapter 21

On The Trail

"What's the matter, Tom?" asked Mr. Sharp, as the lad came hurrying along the roof, having taken the precaution to fasten the scuttle door as well as he could. "You seem excited." "So would you, if you had heard what I did."

"What? You don't mean that some of the gang is down there?"

"Yes, and what's more I'm on the trail of the thieves who robbed the Shopton Bank of the seventy-five thousand dollars!"

"No! You don't mean it!"

"I certainly do."