Perversions, as additions to normal sexual processes, 14 brought into relation with normal sexual life, 15 mouth as sexual organ in, 16 Sadism-Masochism the most significant of, 22 general statements applicable to, 24 exclusiveness and fixation of, 25 psychic participation in, 25 and neurosis, 28; 29 fetichisms as, 30 positive, 31 preponderance of sexual, in psychoneuroses, 32 sexual impulse of psychoneurotics possesses unusual tendency to, 33 relation of predisposition to, and morbid picture, 34 formation of, 52 of prostitutes, 53 part played in, by castration complex, 22 mechanism of many, represents a lingering at a preparatory act, 73 the neuroses the negative of the, 89 disposition to, universal, 89 as inhibitions and dissociations from normal development, 89 negative appearing in neurosis, 89, note 12 positive and negative in the same family, 94 resulting from the strongest of other sexual components, 94 of childhood as source of some virtues, 96 Phantasies the only escape of the maturing youth, 85 of the individual in struggle with incest temptation, 85, note 9 of all persons contain infantile inclinations, 85 distinctly incestuous, rejected, 85 Pleasure sucking, 42; 43 relation of feeling of, to unpleasant tension, 70 relations of, the weakest spot in present day psychology, 70 the last, of sexual acts differs earlier pleasures, 71 produced through discharge, 71 is altogether gratification pleasure, 71 nature of, more deeply entered into in the study of wit, 72 Pollution, process similar to, in infancy, 51 caused by strong excitements in children, 64 nocturnal, due to accumulation of semen, 74 Polymorphous-perverse disposition, 52 Precursory Sexual Aims, 20 Predisposition, bisexual, 9 Pregenital organization as phase of sexual life, 54; 58 phase of organization of sexual life, 59 sadistic-anal, 59 organizations, assumption of, based on analysis of neuroses, 60 Prematurity, spontaneous sexual, a factor influential for sexual development, 97 shown in breaking through, shortening or suspending of infantile latency period, 97 becomes cause of disturbances in provoking sexual manifestations having character of perversions, 97 sexual, runs parallel with intellectual prematurity, 98 Prevention of inversion, 87 Primacy of the Genitals, 50; 69 attained at puberty, 68 already sketched out in infantile life, 73 for propagation, the last phase of sexual organization, 60 Primitive Psychic Mechanisms, 10, note 11 Prostitute fitted for her activity by polymorphous-perverse disposition, 53 Psychic participation in perversions, 25 life one of three stimuli of sexual apparatus, 69 sign of sexual excitation a feeling of tension, 69 accomplishment of puberty is breaking away from parental authority, 85 Psychoanalysis, cures by, 3 of homosexuals, 10, note 11 reveals psychic mechanism of genesis of inversion, 11, note 12