John Arthur had been, and still was, the dupe of his supposed brother-in-law and Dr. Le Guise. We have all heard of natures that can be frightened into sickness, almost into dying; of an imaginary disease. John Arthur's was one of these. And, with a little aid from Dr. Le Guise, he had been really quite ill. Henry had been constituted his keeper, a position which he filled with reluctance, and there was a fair prospect that sooner or later he would break into open mutiny. Although he could not guess at the nature of the game his master was playing, yet he felt assured that it was something desperate, if not dangerous. He had promised "his young lady," as he called Madeline, to remain in Mr. Davlin's service until she bade him withdraw, and but for this would hardly have submitted to remain John Arthur's keeper on any terms. Henry had a certain pride of his own, and that pride was in revolt against this new servitude. He had not met Cora here, and had no idea that she was an inmate of the house. Dr. Le Guise had relieved Henry on the morning of the day that Miss Arthur ventured, for the first time since her flight, within the walls of Oakley manor, escorted by Mr. Percy. He had detected some signs of fever, although Mr. Arthur declared himself feeling better, and administered a powder to check it. Soon the patient began to show signs of increasing restlessness, and by the time Henry appeared to announce that Miss Arthur desired an interview with Dr. Le Guise, he began to wrangle with his physician and gave expression to various vagaries. Consigning his charge to Henry, with the remark that he "must watch him close, and not let him get hold of anything," Dr. Le Guise hurried down to the drawing-room. The doctor listened to Miss Arthur attentively, while she made known her desire to return to the manor if the danger of contagion was at an end. Then he replied, hurriedly: "Quite right; quite admirable. But if you will take my advice, I should say, don't come just yet. There will be no danger to you, in going to your unfortunate brother for just a few moments--a very few--and then going straight out of the house into a purer atmosphere. But to remain here now, to breathe this air just yet--my dear lady, I could not encourage that; the danger would be too great." And then he led the way straight in to John Arthur's presence, explaining as they went that the cause of his removal from his own rooms was to escape the fever impregnations still clinging there.