Dominion of woman, 132, 391 Double standard of morality, 367 Douches, value of anti-conceptional, 88 Dreams—erotic, 76, 203; of perverts, 287 Dress—meaning of, 6; mania for, 153; peasants, 8 Drink, cause of, 153 Duboc, 132, 138 Dühren, 266 Duration—of copulation, 99; feeling of, 381; of career of prostitutes, 332 Dysaesthesia, 352 Echinodermata, 19 Ecclesiastes, 378 Economic—determinists, 327, 331, 338; equality, 369 Eczema of genitals, 317 Education of children, 317; prophylactic value of, 331 Effects—exaggerated, of masturbation, 238; sensual, of fashion, 7 Effemination—psychical, 293; bodily, 295 Egotism—in friendship, 156; in sensual love, 133 Eichstedt, 87 Ejaculation—in mental erethism, 173; premature, 198; physiology of female, 89, 91, 94; of male, 76, 81, 93; praecox, 170, 201 Ekler, 160 Elgabal, 2 Elimination of degenerates, 339 Elisha, 5 Elijah, 5 Ellen Key, 348, 400, 406 Ellis, 155, 245, 280, 294 Embezzlement a duty, 405 Embryo—hermaphroditic, 22; of plant, 122 Emissions, 110; nocturnal, 203 Emptiness of existence, 320 Endometritis in sterility, 208 Engagements, 347 England, masturbation in, 239 Enslavery of women, 367 Enuresis nocturna, 205 Environment, 338 Envy, 157 Epileptic, 311; crisis, 82; guinea-pigs, 15 Equality of sexes, 242 Equatorial plate, 63 Equilibrium, moral, 345 Eram, 277 Erasmus, 278 Erb, 238 Erection—fear in, 80; nervous control of, 77; physiology of, 74; of cervix, 87, 89; of clitoris, 90; nocturnal, 177, 174, 193, 194, 195 Erethism—in children, 106; katabolic, 386 Erogenous zones, 97, 110, 111, 130, 182 Eros, 1; dictature of, 374; two desires of, 156 Erotic—chemotropismus, 130, 124, 275; dreams, 203; dreams of perverts, 287; novels, 224; murders, 148; odors, 98; ruminations, 375 Erotopath, 345 Essaeans, 5 Eternal—fleeting and, 376; tribunal, 377 Ethical Why, 326, 404 Etiology—of homosexuality, 275; of impotence, male, 169; female, 182 Eugenics, 337 Eugenic power of sexuality, 135 Eulenburg, 403 Eunuchs, 69, 186, 219 Euthanasia, 364 Euthenics, 339 Eve, 341 Evolution—of capitalism, 141; of emotions, 141; of love, 147; principle of, 141; racial, 368; truth of, 379; of sex, 13 Evolutionary ethics, 404, 408 Excesses—in copulation, 198, 169; in masturbation, 170; in mental erethism, 172; symptoms of, 352; in tactile eroticism, 173 Excitation of sperma, 362 Exhibitionism—in men, 270; in women, 272; in nymphomaniac women, 232 Existence—purpose of, 372, 378; reason for, 383 Exogamous marriage, 386 Exposure of children, 339 Extension, feeling of, 381 Ezekiel, 242 Failure, fear of, in impotence, 197