He thanked her, but declined it; and she went away again. A short while, and a latch-key was heard in the house door, denoting the return of its master. Some few words were exchanged in the hall between Dr. Cavendish and his wife--and the former entered: a short, quick-speaking man, with grey whiskers. As a matter so much of course that it hardly needs mentioning, the detective had to be no less crafty in conducting this interview than he was in some other matters. To have said to Dr. Cavendish, "I want from you a description of the patient you were called to see to-day, that I may ascertain whether it be indeed an escaped criminal of whom I am in search," would have been to close the doctor's mouth. It was true that he might open his cards entirely and say, "I am Detective Tatton from Scotland Yard, and I require you in the name of the law to give me all the information you can about the patient;" and, in that case it was possible that the doctor might deem himself obliged to give it. But he preferred to keep that master-stroke in hand, and try another way. He possessed pleasant manners, and had a winning way with him--it has been already said; he spoke as a gentleman. Sitting down close to the doctor, he began enquiring in an earnest tone after the new patient at the Maze, and spoke so feelingly about patients in general, that he half gained the physician's heart. "You are some close friend of the gentleman's?" observed Dr. Cavendish. And the word "gentleman" set the one great doubt at rest. "I am most deeply interested in him," said the detective: and the unsuspicious doctor never noticed the really sophistical nature of the answer. "Well, I am sorry to tell you that I think him very ill. I don't know what they can have been about not to call in advice before." And in a few short words he stated what disease the symptoms seemed to threaten. It startled the detective. He was sufficiently acquainted with surgery to know that it was one of difficulty and danger. "Surely, Dr. Cavendish, he is not threatened with _that?_" "I fear he is." "Why, it will kill him! It is not curable, is it?" "Rarely, if ever, when once it has certainly set-in." "And it kills soon." "Generally." Mr. Strange looked very blank. To hear that his prize might escape him by death--or might die close upon his capture, was eminently unsatisfactory. It would be a termination to the great affair he had never thought of; would tarnish all the laurels in a business point of view: and he was, besides, not a hard-hearted man. "He is very young for that kind of thing, is he not, doctor?" "Yes. Rather so." "What brings it on, sir, in general?" "Oh, various causes." "Will trouble induce it?--I mean _great_ trouble; anxiety; care?" "Sometimes. Especially if there should be any hereditary tendency to it in the system." "Well, I did not expect to hear this."