rical psychology. _See_ Psychology, empirical

"Energetic instruction," 241-243

"English instruction," 240-245

Enlightenment, the sexual, 7, 8, 280-306

Environment. _See_ Education

Epididymis, 17

Epididymitis, 192

Epilepsy, 220, 231, 235

Erectile tissue, 18

Erection, in the child, 50-52
in the female, 25, 30
in the male, 20-22, 30
of the clitoris, 25
of the penis, 18, 20-22, 198

Erection-centre, 20

Erections, matutinal, 171
non-sexual, 170

_Erfahrungspsychologie_, 9

Erogenic areas, 21, 25, 91, 172
zones, 21, 25, 91, 172

Erotic books and pictures, 260-264
literature, love in, 13
obsession, 179

Ethical. _See also_ Moral
dangers of precocious sexuality, 192-195
reasons for the sexual enlightenment, 285-286

Ethics. _See_ Morality

Etiology, 146-162
and diagnosis, 146-178

Eugenic considerations opposed to child-marriage, 215

Eugenics, 246

Eunuchs. _See_ Castration

Evidence of children, 201-205

Exaggerated expectations regarding the sexual enlightenment, 302-306

Examination, physical, of child witnesses, 203

Example _versus_ precept, 249, 305

Excess, sexual. _See_ Sexual excess

Exhibitionism, 122, 141, 142, 234

Experimental psychology. _See_ Psychology, experimental
study of the sexual life, 6

FAIRY-TALES, 71, 285

Fallopian tubes, 24

False accusations by children, 227-229

Family tendencies. _See also_ Congenital predisposition

Fanatics, morality-, 259, 260

Feather-bed, 307

Feeble-mindedness, 206

Fellatio, 199

Fertilisation, 24

Fetichism, sexual, 61, 74, 75, 122, 130, 234

Fickleness, 79, 80

Fig-leaf, the, 259

Finger's corpuscles, 27

First love, description of, 11, 12

Fission, 84

Flagellation, 91, 159, 235, 240, 318, 320
fetichism, cases of, 135, 210, 211, 237-240

Flogging. _See_ Corporal punishment; _and also_ Flagellation

Fluor albus, 181

Follicles, Graafian, 24, 28
Graafian, primitive, 24
ovarian, 24
ovarian primitive, 24

Foot-fetichism, 134, 138

Forensic. _See also_ Legal aspects of sexual life of the child,
201-207
reasons for the sexual enlightenment, 286

Foreskin, 18, 50

Friendship and homosexuality, 138, 139

Friendships of animals, 139,140

_Fuersorgegesetz_ 279

GAMES of animals, sexual phenomena in, 99-103