“Jehosophat!” exploded Mr. Davis, when he had finished. “I’ve read about some of your other experiences, Bolton, but that is certainly one exciting tale! The old man with the wheezy voice is a maniac, of course, but people of that type can be exceedingly clever. In some ways, they often appear absolutely normal, too. That old bird, if he is really an old man, as you guessed from his voice, may appear to be a solid and possibly useful citizen, to the majority of his friends and associates. But he’s cracked, just the same—mad as a March hare on one subject—I’ll stake my oath on it!”