"I have thought carefully over your husband's case," I said. "There is to my mind not the least doubt what has occurred. For some extraordinary reason Mr. Mainwaring has forgotten ten years of his life. His memory doubtless carries him accurately up to the date of his Cambridge degree. He remembers going to Dover, and is now under the impression that he is waiting for his friend, Mr. Leigh, to join him at this hotel. Whether he will ever recover the ten years which he has lost is impossible at the present moment to say. What I should advise now is this: Let someone whom Mr. Mainwaring knew intimately ten years ago come and see him, and tell him as simply and as forcibly as possible what has occurred. He may or may not believe this person's statement. I am inclined to hope, however, that he will bring his common-sense to bear on the matter, and will not doubt what he is told; but of course I may be wrong. Anyhow, this, in my opinion, is the only thing to try. Has your husband any intimate friend whom he knew well ten years back?"

"There is his father," she replied at once.

"Good. He could not possibly see a person more likely to influence him. I think you said that his father was a clergyman—better and better—he is probably an excellent man, in whose word his son would place unbounded confidence. Does he live far away?"

"It so happens," she answered, a faint smile filling her eyes, "that my father-in-law's rectory is not far from here. His parish is close to Canterbury."

"Give me the address, and I will telegraph immediately," I said.

She supplied me with it, and I quickly prepared a telegram, which was to bring the elder Mainwaring to his son's assistance. I was writing my telegram in the hall of the hotel when Mainwaring came downstairs. He looked full at his wife and me, but did not vouchsafe us the smallest sign of recognition. He entered the coffee-room, and I saw him sit down at a small table and order breakfast.

I whispered to the wife to take no notice. The poor woman's eyes were full of tears and she was trembling excessively, but she had the courage to do what I told her.

She and I entered the coffee-room a few moments later. We had breakfast together. Mrs. Mainwaring sat with her back to her husband, but I faced him and watched him anxiously while I ate. He had called for a daily paper and began to read it. I watched his face and saw that the contents of the paper puzzled him a good deal. He passed his hand across his forehead, took off his pince-nez and rubbed it, finally flung the paper on the ground and strode out of the room.

At this moment a waiter brought me a telegram. I opened it. It was not in reply to the one I had sent to Mainwaring's father, but was from a patient in town. Its character was so urgent and unexpected that I was forced to attend to it at once. It was necessary for me to catch the next train to London. I told Mrs. Mainwaring what had occurred, expressed great regret at being forced to leave her under such trying circumstances, assured her that I did not anticipate any fresh development of Mainwaring's illness, begged of her to keep out of his way as much as possible, and to wait as patiently as she could for her father-in-law's arrival. I then gave some hasty directions to the manager of the hotel and left for London. I promised to return to Dover, if possible, that evening.

My patient in town, however, was far too ill to make it advisable for me to leave him. I could not go to Dover again that day. In the evening I received a telegram from Mrs. Mainwaring to say that her father-in-law had arrived, that her husband had received him with affection, but that otherwise his condition remained absolutely unaltered.