An hour passed.

"Looks as if we're out of luck again," whispered Joe.

"We'll stay with it a while longer."

Frank switched on his flashlight and glanced at his watch. It was almost ten o'clock. They heard an automobile roar past at tremendous speed, and a few moments later there was the heavy rumble of a truck.

"Funny time of night for a truck to be out," Frank remarked.

"That first car was sure breaking all speed laws."

After a long time, Frank again looked at his watch.

"Half-past ten."

"Another evening wasted."

"Are you getting tired?"