of, 6; 10, note 11
extreme cases of, 3
feelings of, in all neurotics, 29
frequent in ancient times, 5
permanent, made possible by a disappearance of one parent, 88
prevention of, 87
time of, 3

Inverts, behavior of, 2; 3
psychic manliness in, 8
sexual object of, 10
aim of, 12

Investigation, infantile sexual, 55
conducted alone, 58
is first step at independent orientation, 58
causes estrangement from persons, 58

Itching, feeling of, projected into peripheral erogenous zone, 47

Kiernan, 7

Kinderfehler, Die (periodical), 37, note 2

Kissing (see Mouth, Oral)
as perversion, 15
habitual, in former thumbsuckers, 44
in female inverts, 12

Knowledge, desire for, cooeperates with energy of desire for looking, 56
not wholly sexual, 55
relations to sexual life of particular importance to, 56

Krafft-Ebing, 1, note 1; 9, and note 11; 22; 23
weakness of his description of sexual process, 75

Latency Period, Sexual in Childhood, 39; 40
interruptions of, 41

Leading Zone in man and woman, 80
in female child is the clitoris, 80

Libido as term for sexual feeling corresponding to hunger, 1
of inverts, 3
direction of, determined by experience in early childhood, 6
attachment of, to persons of same sex, 10, note 11
fixation of, on hypnotizer, 15, note 14
amount of directed to artistic aim, 21
aggressive factor of, in sadism, 23
strivings of, transformed into symptoms, 28
fixation of, on persons of same sex, 29
union of cruelty with, in neurotics and paranoiacs, 30
of psychoneurotics unable to obtain normal sexual gratification, 33
of children in corporal punishment, 55
tension of, dies away at orgasm, 71
sometimes escapes injury in castration, 75
Theory of, 77
a force of variable quantity capable of measuring sexual processes, 77
a concept auxiliary to chemical theory, 77
energy has a qualitative character, 77
has special chemism different from nutritional processes, 77
quantum psychically represented by ego-libido, 77
production, increase, distribution and displacement of the Ego-, explains psychosexual phenomena, 77
accessibility of the Ego- to psychoanalysis, 77
the Ego- becomes Object-Libido, 77
fate of the Object- is to be withdrawn from the object, 77
is to be preserved floating in special states of tension, 77
is to be finally taken back into the Ego, 77
The Ego- is called the narcissistic Libido,