"Well, I wish you luck," said the government detective. "Now, do me a favor, will you?" he asked earnestly. "Don't act as if you know me, and don't tell anybody who I am."
"I'll comply willingly."
"If your brothers recognize me, ask them to do the same."
"I will."
"I am looking up some rascals and I don't want them to get on to the fact that I am a detective."
"I understand."
At that moment a heavy-set individual with a shock of bushy hair came slouching in. At once James Monday took his departure, the newcomer gazing after him curiously.
Dick waited a moment, and then rejoined Sam and Tom.
"Dick, we just caught sight of a man we know," said Sam. "Can you guess whom?"
"Mr. Day-of-the-week," put in Tom.