"H'm," observed the boy designated as "Wheels." "Let me see. 'Get shoes mended.' No, that isn't it. I have such a bad memory. 'Order some insulated wire.' No, that's for an uptown call. 'Buy Drummond on Superheated Steam.' That's for the bookstore. Ah, here we have it. 'Kick Jim Scroggins.' Who's Jim? Aha! you young villain, I remember you well enough now," and with an activity which could scarcely be anticipated from so easy-going an individual, Wheels made a dive for a big hulking fellow on the edge of the crowd. He chased him a few feet, and planted a kick that lifted the yelling hoodlum a foot from the ground. Then, calmly taking out a pencil, he crossed off the memorandum—"Kick Jim Scroggins"—gave the crowd a warning glance, and proceeded coolly down the sidewalk, resuming his occupation with the contrivance he had placed in his pocket.
The gang of loafers had drawn back. A sight of the massive arms and sledge hammer fists of the young giant they had derided, and his prompt measures with one of their cronies, dissuaded them from any warlike move.
"Whoop!" commented Clark in an exultant undertone, and he fairly leaned against his companion in a paroxysm of uncontrollable laughter. "Quick, nifty and entertaining, that! Say Engi-
