"Most extraordinary!" I exclaimed. I could not decently have said anything less; but I confess that I had in my recollection the fact of Colonel Morris having dined.

"The most extraordinary part of the story is still to come," he remarked. "I hurried at once into the house, unlocked the door, found the library in pitch darkness, and when I lit the gas the strong room was closed; there was no office-chair in the room, no papers were on the table—everything, in fact, was precisely in the same condition as I had left it a few hours before. Now, no person in the flesh could have performed such a feat as that."

"I cannot agree with you there," I ventured. "It seems to me less difficult to believe the whole thing a trick, than to attribute the occurrence to supernatural agency. In fact, while I do not say it is impossible for ghosts to be, I cannot accept the fact of their existence."

"Well, I can, then," retorted the Colonel. "Why, sir, once at the Cape of Good Hope—" but there he paused. Apparently he recollected just in time that the Cape of Good Hope was a long way from River Hall.

"And Mrs. Morris," I suggested, leading him back to the banks of the Thames. "You mentioned some shock—"

"Yes," he said, frankly. "She met the same person on the staircase I saw in the library. He carried in one hand a lighted candle, and in the other a bundle of bank-notes. He never looked at her as he passed—never turned his head to the spot where she stood gazing after him in a perfect access of terror, but walked quietly downstairs, crossed the hall, and went straight into the library without opening the door. She fainted dead away, and has never known an hour's good health since."

"According to all accounts, she had not before, or good temper either," I thought; but I only said, "You had told Mrs. Morris, I presume, of your adventure in the library?"

"No," he answered; "I had not; I did not mention it to anyone except a brother officer, who dined with me the next evening."

"Your conversation with him might have been overheard, I suppose," I urged.

"It is possible, but scarcely probable," he replied. "At all events, I am quite certain it never reached my wife's ears, or she would not have stayed another night in the house."