Within an hour of his having left the Etna factory, James Kentworthy got up from his chair in Dr. Maclean’s consulting room. The man who had come down to Terriford to make these delicate inquiries was honest and conscientious, set on finding out the truth and nothing but the truth. Also, this was to be his last official investigation, and he had every reason for hoping that it would be a short business. The moment it was over he was to retire from the service and start for himself as a private inquiry agent. He was, therefore, sincerely glad that the conversation he had had with the late Mrs. Garlett’s medical man had been, from his point of view, thoroughly satisfactory. During the first few minutes of his interview with Mr. Kentworthy, Dr. Maclean had been so indignant and so shocked w

