“That’s the stuff!” cried the excitable little chap. “Off you go—wish I was along—never say die—blow up the boiler—whoop—off for Pittsburg!”

“Say, I wonder if he ever will calm down?” remarked Bob, helplessly.

“I’m afraid not,” commented Ned.

“I wish he hadn’t said that last,” said Jerry in a serious tone.

“Why not?” asked Ned, as the Dartaway swung out from the dock.

“Because I’d just as leave everyone wouldn’t know where we are going. It might get to the ears of——”

“Look!” cried Bob in a low, tense voice.

“What is it?” asked Ned.

“There’s Bill Berry, and Noddy Nixon is with him,” went on the stout lad, pointing across the water, to where, a short distance away, there floated a rowboat, containing the two enemies of the motor boys.