the swing of an athlete, and only looked mean and small when he
was stooping and dabbling in the snow."

"His clothes. Describe his clothes." There was an odd sound in
Mr. Slater's voice.

"He wore a silk hat and there was fur on his overcoat. I think
the fur was black."

Mr. Slater stepped back, then moved forward again with a determined
air.

"I know the man," said he.



III

THE MAN


"You know the man?"

"I do; or rather, I know a man who answers to this description. He
comes here once in a while. I do not know whether or not he was in
the building to-night, but Clausen can tell you; no one escapes
Clausen's eye."

"His name."