"A FEW months after Villiers' meeting with Herbert, Mr. Clarke was sitting, as usual, by his after-dinner hearth, resolutely guarding his fancies from wandering in the direction of the bureau. For more than a week he had succeeded in keeping away from the "Memoirs," and he cherished hopes of a complete self-reformation; but, in spite of his endeavors, he could not hush the wonder and the strange curiosity that the last case he had written down had excited within him. He had put the case, or rather the outline of it, conjecturally to a scientific friend, who shook his head, and thought Clarke getting queer, and on this particular evening Clarke was making an effort to rationalize the story, when a sudden knock at the door roused him from his meditations.