"I cannot clearly explain the psychological process which led me to utter those words. I had never entertained any enmity towards Dr. Syx, although I had always regarded him as a heartless person, who had purposely led thousands to their ruin for his selfish gain, but I knew that he could not help hating me, and I felt now that, in some inexplicable manner, a struggle, not physical, but spiritual, was taking place between us, and my exclamation, uttered with surprising intensity, produced upon me, and apparently upon him, the effect of a desperate sword thrust which attains its mark. "Immediately the doctor's form seemed to recede, as if he had passed the verge of the precipice behind him. At the same time it became dim, and then dimmer, until only the dark outlines, and particularly the jet-black eyes, glaring fiercely, remained visible. And still he receded, as though floating in the air, which was now silvered with the evening light, until he appeared to cross the immense atmospheric gulf over Jackson's Hole and paused on the rim of the horizon in the east. "Then, suddenly, I became aware that the full moon had risen at the very place on the distant mountain-brow where the spectre rested, and as I continued to gaze, as if entranced, the face and figure of the doctor seemed slowly to frame themselves within the lunar disk, until at last he appeared to have quitted the air and the earth and to be frowning at me from the circle of the moon." While Hall was pronouncing his closing words I had begun to stare at the moon with swiftly increasing interest, until, as his voice stopped, I exclaimed, "Why, there he is now! Funny I never noticed it before. There's Dr. Syx's face in the moon, as plain as day." "Yes," replied Hall, without turning round, "and I never like to look at it."