All of them carried glasses, but in the darkness they could not use them.

Lights began to appear in the train and many heads were thrust out at the windows.
"Go through the coaches, Mr.Mason and Mr.Warner," said Colonel Newcomb, "and have every light put out immediately.

Tell them, too, that my orders are for absolute silence." Dick and the Vermonter did their work rapidly, receiving many curious inquiries, as they went from coach to coach, all of which they were honestly unable to answer.

They knew no more than the other boys about the situation.

But when they left the last coach and returned to the officers near the engine, the train was in total darkness, and no sound came from it.