Die krankhaften Erscheinungen des Geschlechtssinnes. B. Tarnowsky. Berlin, Hirschwald, 1886.
This is avowedly an attempt to distinguish the morbid kinds of sexual perversion from the merely vicious, and to enforce the necessity of treating the former not as criminal but as pathological. "The forensic physician discerns corruption, oversatiated sensuality, deep-rooted vice, perverse will, &c., where the clinical observer recognises with certainty a morbid condition of the patient marked by typical steps of development and termination. Where the one wishes to punish immorality, the other pleads for the necessity of methodical therapeutic treatment."
The author is a Russian, whose practice in St. Petersburg has brought him into close professional relations with the male prostitutes and habitual pæderasts of that capital.
He is able therefore to speak with authority, on the ground of a quite exceptional knowledge of the moral and physical disturbances connected with sodomy. I cannot but think that the very peculiarities of his experience have led him to form incomplete theories. He is too familiar with venal pathics, pædicators, and effeminates who prostitute their bodies in the grossest way, to be able to appreciate the subtler bearings of the problem.
Tarnowsky makes two broad divisions of sexual inversion. The first kind is inborn, dependent upon hereditary taint and neuropathic diathesis. He distinguishes three sorts of inborn perversity. In the most marked of its forms it is chronic and persistent, appear-
