“Chlorosis is not in any way dependent on repression of the sexual impulse. A disease apparently analogous to chlorosis, occurring in unmarried women from twenty to thirty years of age, is dependent rather on mental causes, and is relieved by other means than marriage, especially by suitable occupation. Marriage and gestation are distinctly injurious in cases of true chlorosis. “The satisfaction of the sexual impulse, and still more gestation, favor in women the origin and growth of tumors, give rise often to mechanical disturbances, and open the way for the invasion of toxic pathogenic germs. “Osteomalacia occurs only in parous women.” _Moll_ divides the sexual impulse into two components: The impulse toward intimate contact (in a sense both physical and mental) with a person of the opposite sex, which he calls the contrectation-impulse (_Kontrektationstrieb_); and the impulse to bring about a change in the genital organs, which he calls the detumescence-impulse (_Detumeszenztrieb_). The former impulse induces intimate physical and mental contact between the two persons concerned, the latter impulse induces the local processes of copulation. In women, detumescence results from the passing off of local swelling and the release of nervous tension in the genital organs, with the discharge of indifferent glandular secretions, notably the secretion of Bartholin’s glands, and perhaps also the secretion of the uterine glands. The intensity of the detumescence-impulse in women varies greatly in different individuals, these variations being more extensive than those occurring in the male. In some women the impulse toward intimate contact, the contrectation-impulse, is normal, though the detumescence-impulse is wholly wanting (_vide_ Dyspareunia). _Runge_ defines the sexual impulse as the impulse which brings the sexes together. This impulse is subservient to an instinct, namely the instinct of reproduction; that is to say, the sexual impulse induces the individual to perform actions which subserve the purpose of reproduction without the agent’s being directly or chiefly concerned with this purpose.