(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 may even be perverted into a false channel. Tarnowsky has already published this experience. I can thoroughly confirm it, and am prepared to define the conditions of this acquired, or, in other words, this cultivated perversion of the sexual instinct in the following terms. The fundamental or ground predisposition is a neuropathic hereditary bias. The exciting or efficient cause is sexual abuse, and more particularly onanism. The etiological centre of gravity has to be sought in hereditary disease; and I think it is questionable whether an untainted individual is capable of homosexual feelings at all."[22]
Krafft-Ebing's theory seems then to be that all cases of acquired sexual inversion may be ascribed in the first place to morbid predispositions inherited by the patient (Belastung), and in the second place to onanism as the exciting cause of the latent neuropathic ailment.
He excludes the hypothesis of a physiological and healthy deflection from the normal rule of sex. "I think it questionable," he says, "whether the untainted individual (das unbelastete Individuum) is capable of homosexual feelings at all." The importance of this sentence will be apparent when we come to deal with Krafft-Ebing's account of congenital sexual inversion, which he establishes upon a large induction of cases observed in his own practice.
For the present we have the right to assume that Krafft-Ebing regards sexual inversion, whether "acquired" or "congenital," as a form of inherited neuropathy (Belastung). In cases where it seems to be "acquired," he lays stress upon the habit of self-pollution.
This is how he states his theory of onanism as an exciting cause of inherited neuropathy, resulting in sexual inversion. The habit of self-abuse prepares the patient for abnormal appetites by weakening his nervous force, degrading his sexual imagination, and inducing hyper-sensibility in his sexual apparatus. Partial impotence is not unfrequently exhibited. In consequence of this sophistication of his nature, the victim of inherited neuropathy and onanism feels shy with women, and finds it convenient to frequent persons of his own sex. In other words, it is supposed to be easier for an individual thus broken down at the centres of his life to defy the law and to demand sexual gratification from men than to consort with venal women in a brothel.
Krafft-Ebing assumes that males who have been born with neuropathic ailments of an indefinite kind will masturbate, destroy their virility, and then embark upon a course of vice which offers incalculable dangers, inconceivable difficulties, and inexpressible repugnances. That is the theory. But whence, if not from some overwhelming appetite, do the demoralised victims of self-abuse derive courage for facing the obstacles which a career of sexual inversion carries with it in our civilisation? One would have thought that such people, if they could not approach a prostitute in a brothel, would have been unable to solicit a healthy man upon the streets. The theory seems to be constructed in order to elude the fact that the persons designated are driven by a natural impulse into paths far more beset with difficulties than those of normal libertines.
Krafft-Ebing gives the details of five cases of "acquired" sexual inversion. Three of these were the children of afflicted parents. One had no morbid strain in his ancestry, except pulmonary consumption. The fifth sprang from a strong father and a healthy mother. Masturbation entered into the history of all.
It must be observed, in criticising Krafft-Ebing's theory, that it is so constructed as to render controversy almost impossible. If we point out that a large percentage of males who practise onanism in their adolescence do not acquire sexual inversion, he will answer that these were not tainted with hereditary disease. The autobiographies of onanists and passionate woman-lovers (J. J. Rousseau, for example, who evinced a perfect horror of homosexual indulgence, and J. J. Bouchard, whose disgusting excentricities were directed toward females even in the period of his total impotence) will be dismissed with the remark that the ancestors of these writers must have shown a clean record.
It is difficult to square Krafft-Ebing's theory with the phenomena presented by schools, both public and private, in all parts of Europe. In these institutions not only is masturbation practised to a formidable extent, but it is also everywhere connected with some form of sexual inversion, either passionately Platonic or grossly sensual. Nevertheless, we know that few of the boys addicted to these practices remain abnormal after they have begun to frequent women. The same may be said about convict establishments, military prisons, and the like.[23] With such a body of facts staring us in the face, it cannot be contended that "only tainted individuals are capable of homosexual feelings." Where females are absent or forbidden, males turn for sexual gratification to males. And in certain conditions of society sexual inversion may become permanently established, recognised, all but universal. It would be absurd to maintain that all the boy-lovers of ancient Greece owed their instincts to hereditary neuropathy complicated with onanism.
The invocation of heredity in problems of this kind is always hazardous. We only throw the difficulty of explanation further back. At what point of the world's history was the morbid taste acquired? If none but tainted individuals are capable of homosexual feelings, how did these feelings first come into existence? On the supposition that neuropathy forms a necessary condition of abnormal instinct, is it generic neuropathy or a specific type of that disorder? If generic, can valid reasons be adduced for regarding nervous malady in any of its aspects (hysteria is the mother, insanity is the father) as the cause of so peculiarly differentiated an affection of the sexual appetite? If specific, that is, if the ancestors of the patient must have been afflicted with sexual inversion, in what way did they acquire it, supposing all untainted individuals to be incapable of the feeling?