"Oh!"
"They belong to a little crowd of their own." explained Tom. "We don't hitch very well, so that is why we let them go by unnoticed."
"We met them at the store in Oakville," said Alice.
"Did they speak to you?"
"Yes, but—but we did not want them to."
"Humph!" said Dick, and then the subject was changed.
Having invited the girls to come and look at the camp some pleasant day the Rover boys left the cottage and hurried along the road after Lew Flapp and his cronies.
"I'll wager those fellows made themselves obnoxious to the girls," said
Tom. "You could tell that by the way the girls looked."
"What do you think they are going to do with the stuff they are carrying?" came from Sam.
"I believe they intend to smuggle it into camp," replied Dick. "And if that is so, I don't know but what it is my duty to report them."