finally—though with a considerable effort—he asked him point-blank whether something serious was not bothering him. Dunning gave an exclamation of relief. “I was perishing to get it off my mind,” he said. “Do you know anything about a man named John Harrington?” Gayton was thoroughly startled, and at the moment could only ask why. Then the complete story of Dunning's experiences came out—what had happened in the tramcar, in his own house, and in the street, the troubling of spirit that had crept over him, and still held him; and he ended with the question he had begun with. Gayton was at a loss how to answer him. To tell the story of Harrington's end would perhaps be right; only, Dunning was in a nervous state, the story was a grim one, and he could not help asking himself whether there were not a connecting link between these two cases, in the person of Karswell. It was a difficult concession for a scientific man, but it could be eased by the phrase “hypnotic suggestion.” In the end he decided that his answer to-night should be
