Strain as she would, her vision could pierce to nothing beyond the ceaseless sweep of the thin, wild snow across the brilliant flow of the headlight. She looked into the white whirl until her eyes tired, then back to the cab, at the flying shovel of the fireman, the peaked cap of the muffled engineer--at Glover behind him, his hand resting now on the reverse lever hooked high at his elbow. But some fascination drew her eyes always back to that bright circle in the front--to the sinister snow retreating always and always advancing; flowing always into the headlight and out, and above it darkening into the fire that streamed from the dripping stack. A sudden lurch nearly threw her from her seat, and she gave a little scream as the engine righted. Glover beside her like thought caught her outstretched hand. "A curve," he said, bending apologetically toward her ear as she reseated herself. "Is it very trying?" "No, except that I am in continual fear of falling from my seat--or having to embrace the unfortunate fireman. Oh!" she exclaimed, putting her wrist on Glover's arm as the cab jerked. "If I could keep out of the fireman's way, I should stand here," he said. "There is room on the seat here, I think, if you have not wholly deserted me. Oh!" "I didn't mean to desert you. It is because the snow is packing harder that you are rocked more; the cab has really been riding very smoothly." She moved forward on the box. "Are you going to sit down?" "Thank you." "Oh, don't thank me. I shall feel ever so much safer if you will." He tried to edge up into the corner behind her, pushing the heavy cushion up to support her back. As he did so she turned impatiently, but he could not catch what she said. "Throw it away," she repeated. He chucked the cushion forward below her feet and was about to sit up where she had made room for him when the engineer put both hands to the throttle-bar and shut off. For the first time since they had started Gertrude saw him look around. "Where's Point of Rocks?" he called to Glover as they slowed, and he looked at his watch. "I'm afraid we're by." "By?" echoed Glover. "It looks so." The fireman opened his furnace with a bang. The engineer got stiffly down and straightened his legs while he consulted with Glover. Both knew they had been running past small stations without seeing them, but to lose Point of Rocks with its freight houses, coal chutes, and water tanks!