"Why," he cried, "the guard car has been detached, there are Mr. Griscom and the engineer in the ditch, and the locomotive and pay car running away."
He could look along the tracks and observe all this. Engineer and fireman had apparently been knocked from the cab. Some one was on the rear platform of the pay car, a man who was now clambering to its roof. The guards ran out of the detached coach and fired after the stolen train, but were too late.
Rapidly the train sped along. Ralph ran to the front grating. The locomotive was in strange hands and the tender crowded with strange men.
"It's a plain case," said Ralph. "These men have succeeded in stealing the pay car, and that little safe in the corner is what they are after."
The train ran on through a desolate waste, then across a trestle built over a swampy stretch of land. At its center there was a jog, a rattle, the tracks gave way, and almost with a crash, the train came to a halt.
It took some time to get righted again, and the train proceeded very slowly. Ralph had done a good deal of thinking. He knew that soon the robbers would reach some spot where they would attack the pay car.
"I must defeat their purpose." he said to him-
