It was easy enough to say they must, but how could they? The toboggan was rushing on faster than ever. Over the brow of the second hill it went, and down the slope toward the tracks. Jack tried to steer to the side, and so did the others, but all in vain.

And now they saw the train rounding the side of the hill, and coming on at full speed, the bell ringing and the whistle blowing to warn everybody off the tracks.

Jack, who was in front, made another desperate effort to change their course. It was useless. Andy, who was next to him, tried to scream out, but the sound stuck in his throat. It looked as if all four of the boys were going to certain destruction.

“Jump for your lives!” See page [53].

CHAPTER VII.
BY A HAIR’S BREADTH.

Harry, who half stood up on the end of the flying toboggan, was the only member of the Zero Club who retained his presence of mind.

He saw at a glance that they and the oncoming express train must reach the crossing at about the same time, and in that case the grim locomotive and heavy cars would deal to them certain death.

“Jump for your lives!” he cried out, hoarsely. “Jump, every one of you!”

His tone was so decisive that the other three acted on it almost mechanically. Jack, who was in front, leaped first, and after him came all the others in a heap.