Paresis of bladder, 204; of sphincter vesicae, 205 Parity, law of, 347 Parke, 168 Parkman, 6 Parthenogenesis, 151 Partial—frigidity, 357; impotence, 198 Pascal, 254 Passion—animal, 147; deification of, 375; love and, 140 Pathology, 281; of sexuality, 161; of female impotence, 205; of male impotence, 185 Patriarchal family, 387 Paul, 5 Peasants, 402; dress of, 8 Penis, 28, 37, 74; bulb of, 38; smallness of, 192; shrinkage of, 195 Pentateuch, 371 Perfective instincts, 140 Period of savagery, 385 Periodicity of ovulation, 83 Permanent mating, 127, 129, 178; impulse of, 125 Personal prophylaxis, 334 Personality, religion of, 375 Perversion, homosexual, 285 Perverts—libido of, 289; modesty of, 287 Pfaff, 312 Pflüger, 85 Phalanster, 341 Phallic ritual of circumcision, 3 Phallicism, 2 Phanerogamous plants, 116 Philo, 273, 334, 371 Philosophy—hedonic, 377; of Nietzsche, 371 Physician—sex and, 9; venereal diseases and, 316 Physiological fetichism, 265 Physiology—of sex, 60; of male organs, 69; of female, 83; of erection, 74; of ejaculation, 76, 81, 93 Pinard, 337 Pinworms, 317 Pirogoff, 364 Placenta, 86, 120; of plant, 120 Plant-embryo, 122 Plants—consciousness of, 116; fertilization of, 115, 121; heart-beat, 380 Plato, 131, 274 Platonic sadism, 260 Plays, immoral, 150 Pleasure—mania for, 348; impurity in, 333 Ploss, 279 Plug, Kristeller’s, 88, 89, 91 Plutarch, 131, 311 Polar bodies, 63, 83 Pollutions, 202, 321; in females, 246, 322; symptoms of, 203 Polygamy, 127; impossibility of, 388 Polyuria, 205, 352 Porocz, 238 Positions in intercourse, 350 Postorgastic—depression, 100; lassitude, 94 Potencies, four kinds, 185 Potentiality of the rational, 380 Prange, 238 Precocity, 163, 285 Pregnancy—by ignorance, 330; intercourse during, 355; tubal, 84 Premature ejaculation, 198 Preparation of female parts, 357 Prevention—of conception, 340, 360; by abstinence, 364; by castration, 364; of masturbation, 322, 324; of propagation of defectives, 339, 344; of venereal infection, 335 Priapism, 80, 175, 230 Pride of female, 307 Primordial energy, 13 Private parts, covering of, 7 Production, excessive, of germs, 381 Promiscuity, 127, 148, 178, 385 Prone position, 351 Propagation—by segmentation, 17; of the unfit, 343; instinct of, 109, 112, 125 Prophylaxis, personal, 334 Prostatorrhoea, 202 Prostituants, 399 Prostitutes—career of, 332; characteristics of, 327; families they come from, 331; lesbianism among, 284; number of, 331; slavery of, 332; supply of, 337 Prostitution—extirpation of, 337; in marriage, 135; sources of, 331; unhygienic embrace of, 101 Protagoras, 381