"That's the next poser, all right," admitted Tom, with a shade of disappointment. "It might be that horseman Dick and Tim saw up here. And say—"

"Well?" queried Tim.

"Perhaps Dick and he happened to run across each other, and Dick thought he'd stay with him for a while, just for a lark, eh?"

This idea did not appeal to the others.

"Not on your life," scoffed Tim.

"Suppose we fire off a few rounds," suggested Dave. "If Mr. Unknown should happen to hear the racket, he might come out from that timber and favor us with a view of himself."

"You're certainly the candy kid, all right," laughed Bob, taking the field-glass from its case. "Go ahead with the firing."

Several guns were immediately pointed in the air.

"One—two—three!" counted Bob.

A thunderous report which almost deafened them was carried off on the slight breeze.