was the glimmer of the front-end brakeman's lamp from the top of one of the forward cars—and, with a quick, appraising glance to measure the length of the train, the Hawk, on hands and knees, crawled forward, and up the embankment, and, in the shadow of the rolling cars themselves, stood up. There would be sharp eyes watching from the cupola of the caboose. He laughed a little. And not only the train crew there, perhaps! The railroad detectives, at their wits' ends, had acquired the habit of late of turning up in the most unexpected places!
A boxcar rolled by him, another, and still another—but the Hawk's eyes were fixed a little further along toward the rear on an open space, where, in the darkness, a flat car gave the appearance of a break in the train. The flat car came abreast of him. He caught the iron foot-rung, jumped, and, with a powerful, muscular swing, flung himself aboard.
The car was loaded with some kind of carriage, or wagon, tarpaulin-covered. The Hawk crawled in under the tarpaulin, and lay down upon his back, pillowing his head on a piece of timber that blocked the carriage wheels.
The train topped the grade, gained speed, and roared on through the night. Occasionally, during what was close to a two-hours' run, it stopped at intermediate stations, and the Hawk peered furtively out from under the tarpaulin to locate the surroundings, with which he appeared to be intimately familiar; and once, nearing the end of the run, as the faint-suffused glow from the city's lights in the dis-
