His victim eyed him with sullen malevolence. "Maybe there'll be a new trick or two in this game before it's finished. I'll never forget you, Doone, and you, Gregg."

"You haven't a thing in the world on us," replied Ronicky.

"I have the fact that you carry concealed weapons."

"Only this time."

"Always! Fellows like you are as lonesome without a gun as they are without a skin."

Ronicky turned at the door and laughed back at the gloomy face, and then they were gone down the steps and into the street.

Chapter Six

The New York Trail

On the train to New York that night they carefully summed up their prospects and what they had gained.

"We started at pretty near nothing," said Ronicky. He was a professional optimist. "We had a picture of a girl, and we knew she was on a certain train bound East, three or four weeks ago. That's all we knew. Now we know her name is Caroline Smith, and that she lives where she can see the East River out of her back window. I guess that narrows it down pretty close, doesn't it, Bill?"