This page has been proofread, but needs to be validated.
256
THE ROVER BOYS IN THE AIR

"Deserted!" whispered Sam. "Where did they go to, I wonder?"

"Hush!" returned Dick. "They may be close enough to hear you."

With strained ears, the Rover boys listened for some sound that might indicate the presence in that vicinity of those they were after. But they heard nothing but the call of a night bird and the far-off hoot of an owl.

"They have gone on," said Dick, at last. "We'll have to find the trail and follow. Maybe I'll have to light the lantern."

"Say, let us fix the auto first—so they can't use it, if they come back!" exclaimed Tom.

"A good idea, Tom," answered his big brother. And, as soon as Dick had lighted the lantern, Tom and Sam set to work to render the touring car unuseable for the time being by turning off the flow of gasoline from the tank and disconnecting the spark plugs.

"That will keep 'em guessing for a while, if they try to run it," was Sam's comment.

In the meantime Dick was examining the ground, and soon he found the mark of many footprints in the moss and leaves. They led along a well-defined footpath running through the Woods and up something of a hill.

"They went this way," he said. "The fact is,