"That's exactly the way I figure it!" exclaimed Dick. "And the sooner we reach the girls the better! For all we know, it may even now be too late!"
"Oh, let us hope not!" cried Sam.
"Did they go on foot?" asked Tom.
"Yes."
"Were they to meet anybody?"
"I don't know. Miss Haven said they went off in a great hurry—which was natural, if they thought I had tumbled out of the biplane and been hurt. I suppose poor Dora was scared half to death," and Dick heaved a long sigh.
As the flying machine swept along over the woods and the roadway the three youths kept their eyes on the alert for a sight of the girls. For a long time they saw nothing out of the ordinary. Then Sam uttered a cry:
"See! see! There is Grace! She is waving her handkerchief at us!"
All looked in the direction indicated, and at a spot along the road where there was quite a cleared space they saw Grace Laning standing on a flat rock, waving frantically at them. They had to make a circle, and then, with care, Dick brought the biplane down into the roadway.
"What is it, Grace?" yelled Sam, as he leaped from his seat. "Where are the others?"