"He recognized that they were likely to have far more personal reasons for anxiety than he had himself. Mallinson, for instance, was engaged to a girl in England; Barnard might be married; Miss Brinklow had her work, vocation, or however she might regard it. Mallinson, incidentally, was by far the least composed; as the hours passed he showed himself increasingly excitable--apt, also, to resent to Conway's face the very coolness which he had praised behind his back. Once, above the roar of the engine, a sharp storm of argument arose. "Look here," Mallinson shouted angrily, "are we bound to sit here twiddling our thumbs while this maniac does everything he damn well wants? What's to prevent us from smashing that panel and having it out with him?"