ous zone, 81
determined by repression of puberty, 81
psychoanalysis in, 26
of, enlightens the ego-libido, 77
removes symptoms of, 27
seduction as frequent cause of, 52
some cases of, conditioned by disappearance of one parent, 88
symptomatology of, tendency to displacement in, 46

Hysterical globus, 45
vomiting, 44; 45

Hysterogenous zones show same characteristics as erogenous, 46

Ideal of sexual life, the union of all desires in one object, 61

Identification as development out of oral pregenital sexual organization, 59

Immature as sexual objects, 13

Impotence, 20

Impulse development, 9
partial, 31
independent of each other, strive for pleasure, 58
sexual, 1
acquired, 5
to mastery, foreshadowed in boys' masturbation, 50

Incest barriers, 84
object selection significant in psychosexual disturbances, 86
phantasies rejected, 85
temptations, struggle of the individual with, 85, note 9

Infantile amnesia, 37
and infantile sexual activity, 51
attraction for parents, etc., repressed in puberty, 86
desire for parents, 87
factor for sexuality, 39
fear, 83; 84, note 7
fixation of libido, 86
in sexuality, 34
conserved by neurotics, 35
masturbation, 51
neglect of the, 36
object selection, after effects of, 86
onanism almost universal, 50
relations to parents, produces serious results to sexual life, 87
cause of jealousy of lover, 87
wet nurse, 82
reminiscences in neurotics, 40
sexual activity, 50
aim, 45; 46
excitement generously provided for, 65
impulse same as adult fore-pleasure, 72
investigation, failure of, 57
sexuality, 36
manifestations of, 42
determines normal, 73
source of, 61
sexual life, 53

Influences, opposite, paths of, 66

Inhibitions (see Shame, Loathing, Sympathy) 26, note 23
sexual, 40
develop earlier in girl, 78
study of, 58

Innateness, 5

Inner organic world, one of three stimulants of sexual apparatus, 69

Inquisitiveness, 55
of children attracted to sexual problems, 56

Intentions, Appearance of New, 20

Intellectual work, 65

Intensity of stimulus, a factor in sexual excitement, 65

Intestinal catarrh in neurosis, 48

Inversion, amphigenous, 2
influence of climate and race on, 5
conception of, 4
congeniality of, 4
corresponds to sexual inclinations of many persons, 88
effect of father on, 11, note 11
explanation