"Please, please be careful!" "We'll look out--don't worry," answered Dick.

He had to shout, to make himself heard above the noise of the motor.

Then came the usual whizz and rush, and a few seconds later the Rover boys were once more in the air and bound for Brill.
Dick would have been pleased could he have allowed his mind to linger on the conversation he had had with Dora, but he soon found this out of the question.

The wind had come up again, and was now blowing as strongly as ever, and he had all he could do to manage the _Dartaway_.

Soon the big biplane commenced to pitch and toss like a small boat on the bosom of an angry ocean.
"Say, this is getting something fierce!" was Sam's comment, after a particularly thrilling dip.