station, the electric waves converted a lighting circuit for this
purpose.

It was winking and twinkling, and Jack knew that his father was
trying to call them.

He sent out some flashes by starting the dynamo going and pressing a
key devised for the purpose. This, he knew, would cause a similar
light attached to his father's apparatus to flash a reply. This done
he waited a second and then adjusted the receivers to his ears.

"What's the matter?" came his father's voice.

Jack gave him a rapid account of the accident, not stopping just then
to say anything about the incident of the farmer and his barn.

"What are you going to do about it?" asked his father.

"He appears to be seriously hurt," said Jack. "I was thinking of
rushing him to the hospital at Nestorville."

"That seems to be the best plan," said his father. "By the way, did
those autoists get clear away?"

"I'm afraid so. They never even waited a second to see if the man was
badly injured. They----"

Jack suddenly stopped short. An inspiration had come to him. The
accident had happened on a road that, as he knew, led straight through
Nestorville. He had thought of a plan to bring the autoists to book