At the height of his act, he states, he is in such a state of excitement that he has only imperfect apperception and subsequent memory of what he does. When he touches the hair with the shears he has erection, and, at the instant of cutting it off, ejaculation. Since his misfortune, about three years ago, he states that he has had weakness of memory, is easily exhausted mentally, and has been troubled by sleeplessness and night-terrors. P. deeply regrets his crime. Not only hair, but a number of hair-pins, ribbons, and other articles of the feminine toilet, were found in his possession, which he had had presented to him. He had always had an actual mania for collecting such things, as well as newspapers, pieces of wood, and other worthless trash, which he would never give up. He also had a strange and, to him, inexplicable fear of passing a certain street; if he ever tried it, it made him ill. The opinion (medico-legal) showed him to be hereditarily predisposed, and proved the imperative, impulsive, and decidedly involuntary character of the criminal acts, which had the significance of an imperative act, induced by an imperative idea, with an accompaniment of overpowering abnormal sexual feeling. Pardon; asylum for insane. (Voisin, Socquet, Motet, _Annales d’hygiène_, April, 1890.) Following this case, is a similar one which also deserves attention; for it has been well studied, and may be called almost classical; and, too, it places the fetich, as well as the original associative awakening of the idea, in a clear light:—