the sign in question, if examined by an expert in the proper position. But that is the only deformation of the body on which he relies.
Psychopathia Sexualis, mit besonderer Berücksichtigung der Conträren Sexualempfindung. Von Dr. R. v. Krafft-Ebing. Stuttgart, Enke, 1889.
Krafft-Ebing took the problem of sexual inversion up when it had been already investigated by a number of pioneers and predecessors. They mapped the ground out, and established a kind of psychical chart. We have seen the medical system growing in the works of Moreau and Tarnowsky. If anything, Krafft-Ebing's treatment suffers from too much subdivision and parade of classification. It is only, however, by following the author in his differentiation of the several species that we can form a conception of his general theory, and of the extent of the observations upon which this is based. He starts with (A) Sexual Inversion as an acquired morbid phenomenon. Then he reviews (B) Sexual Inversion as an inborn morbid phenomenon.
(A) "Sexual feeling and sexual instinct," he begins, "remain latent, except in obscure foreshadowings and impulses, until the time when the organs of procreation come to be developed. During the period of latency, when sex has not arrived at consciousness, is only potentially existent, and has no powerful organic bias, influences may operate, injurious to its normal and natural evolution. In that case the germinating sexual sensibility runs a risk of being both qualitatively and quantitatively impaired, and under certain circumstances
