"You think so?"
"I know so."
"How d'ye know?"
"Because if you will look out yonder in the bushes you will find the trail of the man he was following," replied Tad gravely.
Tad's calm announcement startled everyone in camp. Even Chops paused with frying pan held aloft to listen to the further words of the keen-eyed Pony Rider Boy.
"What's that you say?" demanded Sam Ellison.
"Your dog chased a man away from here last night."
"How—how do you know?" stammered Jim.
"Because I saw the trail this morning."
"Where?"