He selected an illustrated paper and a magazine, and drew from his vest-pocket a two-dollar bill, which he handed to our hero.

"Ten and thirty-five are forty-five," said Paul, in a business-like tone. "I must give you a dollar and fifty-five cents in change."

"Never mind, Paul," said Mr. Bradford, waving his hand. "Keep it for yourself, or, rather, give it to your mother."

"Thank you, sir," said Paul, gratefully, for the gift was equal to his profits for a good day's work.

He was about to resume his walk through the car when there was a sudden shock.

Passengers were hurled from their seats; there were screams of fright and pain, and a confusion hard to describe.

The train had run off the track!


CHAPTER XXIV.
THE TRAIN-WRECKER.