ville for an hour longer. Then they got aboard of the Dartaway, and with Tom at the wheel, and Dick with a pair of field glasses to his eyes, swung in several circles about the neighborhood.
"No use," declared the oldest Rover boy, at last "It is getting late. We might as well return to college. We can do nothing here."
"Haven't we got time to go to Hope?" asked Sam, a bit wistfully.
"Well, I don't know," answered his big brother, just as wistfully.
"Let us take time—Doctor Wallington didn't want us to hurry back," put in Tom. "I think the girls ought to know about this, so as to be on guard, in case old Crabtree tries to molest them again."
As the lads were all of one mind, the biplane was headed in the direction of Hope. As before, the flying machine swung through the air at a good rate of speed, and half an hour before sundown they came in sight of the Seminary buildings.
"Wonder where they are?" mused Dick, as the biplane came to earth at the spot where they had landed before.
"If they are around they must have heard us," answered Tom. "The engine makes noise enough to wake the dead." And this was well
