Resistances, shame, loathing, fear and pain as, 25 Rhythm in sucking analogous to tickling, 45 of mechanical shaking of the body produces sexual excitation, 62 Riddle of the Sphinx, 56 Rieger, C., 75 Rohleder, 47, note 13 Rousseau, J.J., 55 Sadger, J., 1 Sadism (see Masochism) and Masochism, 21 occupy special place among perversions, 23 conception of, fluctuates, 22 attributable to bisexuality, 24 resulting from repression paralleled by Masochism, 30 attributed by children to sexual act, 57 prevalence of, 60 -Masochism impulse, rooted in erogenous action of pain, 65 Sadistic-anal pregenital sexual organization, 59 Sadistic impulse from muscular activity, 64 Scatologic customs of neurotics, 49 Schrenk-Notzing, 1, note 1 Scott, 23 Secondary sex characteristics, 8 Seduction does not necessarily produce inverts, 6 treating child as a sexual object, 51 as outer cause of return of sexual activity in childhood, 51 not necessary to awaken sexual life of child, 52 does not explain original relations of sexual impulse, 53 Semen, rôle of, unknown to children, 58 Sex characteristics, Secondary and Tertiary, 8 culture and, 41 Sexual Aberrations, 1 a transition of variations of sexual impulse to the pathological, 19 act, theories of children as to, 57 activities, of psychoneurotics, 27 premature, of children, impair educability, 91 activities, infantile leave profoundest impressions, 50 aim abandoned in childhood, 40 at puberty different in the two sexes, 68 Deviation in Reference to, 14 distinction between, and sexual object, 1 Fixation of Precursory, 20 in man the discharge of the sexual products, 68 of infantile impulse, 46 of infantile sexuality, 45 of Inverts, 12 perversion may be substituted for, by normal person, 24 should be restricted to union of genitals, 16 apparatus, weakness of, 18 constitutions, diverse, 66 variation of, 93 contrary, 2 development of man easier to understand, than woman's, 68 disturbances, paths of, a means of sublimation, 67 serviceable in health, 67 excitation of nursing period, 51 is one result of three ways of stimulation of the sexual apparatus, 69 excitement originates (_a_) as imitation of a previous gratification, 61 (_b_) as a stimulation of erogenous zones, 61 (_c_) as the expression of some impulse, 61 sources of, tested by quality of stimulus, 65 inner sources of, 65 nature of, unfamiliar to us, 66 indirect source of, not equally strong in all persons, 66 influences availability of voluntary attention, 67 problem of, 73 normally ended only by discharge of semen, 74 independent of an accumulation of sexual substance, 75 furnished not only from so-called sexual parts, 77 intercourse between parents and child an inexhaustible source of, 82 gratification found by inverts in object of same sex, 3 impression, 5 Impulse, 1