pace had to be slowed down, for the road was only used by logging teams, and hardly suitable for motorcycles.
They were plugging along, each keeping his eyes open for obstacles apt to present themselves, such as roots cropping up above the surface, when the leader gave a sudden toot upon the little horn attached to his machine that warned the others a stop was imperative.
THE MOTORCYCLE THIEVES
"What's gone wrong, Frank?" demanded Bluff, dropping off his seat.
"In luck again, for I'd have banged up against that big root if Frank hadn't given the signal just then," chuckled Will, holding up his machine.
"A puncture, Frank?" demanded Jerry, who had been in the rear.
"Not at all. I thought I heard some one shouting. Perhaps I was mistaken, for with a lot of motors popping away it's hard to be sure. Still, we can stop for a minute and listen," remarked Frank seriously.