are, breaking the rules giving your friends a free ride."
Ralph did not reply. One anxiety kept him devoted to his work—to lose no time. A glance at the clock and schedule showed a ten minutes' loss, but defective or experimental firing on a new locomotive had been responsible for that, and he counted on making a spurt, once beyond Plympton.
Marvin Clark knew his place, and Ralph liked him for keeping it. The young fellow watched everything going on in the cab in a shrewd, interested fashion, but he neither got in the way of the cross-grained Fogg, nor pestered Ralph with questions.
Plympton was less than five miles ahead just as dusk began to fall. Ralph noticed that his fireman rustled about with a good deal of unnecessary activity. He would fire up to the limit, as if working off some of his vengefulness and malice. Then he went out on the running board, for no earthly reason that Ralph could see, and he made himself generally so conspicuous that young Clark leaned over and said to Ralph.
"What's the matter with your fireman, anyhow—that is, besides that load he's got aboard?"
"Oh, he has his cross moods, like all of us, I
