“Thrue fer you,” added Grogan. “’Tis meself that is itchin’ to get to worruk upon that.”

“Plenty of time,” said Barker. “By the way, I wonder if there is anything in this place worth taking along?”

“Nothing like making a search,” returned Casco, coolly.

He and the others arose, and Bob heard them moving about the office. Presently he heard the slide of a roller-top desk shoved back, and then a conversation, too low for him to hear clearly, reached his ears.

“If I only knew how long they intended to remain,” thought the youth. “If I go for the police now they may leave at any instant, and then I’ll miss them sure.”

Suddenly he heard Barker utter a cry.

“Just the thing!”

“That’s so. It will help us wonderfully.”

“Phat is it?” questioned Grogan.

“Never mind, Mike; you’ll know before you are much older.”