_Chapter 15—Paradoxia._
Sexual desires in the old, in infants, causes of early masturbation.
_Chapter 16—Anaesthesia._
Etiology of impotence in male, chain of sex-act, satyriasis,
nymphomania, troubles in bladder, in menstruation, nervous debility,
consensualism, break in chain, continence and impotence, woman’s
sexuality, impotence in women, clitoris sexuality, excesses in
copulation, hysteria, practice of withdrawal, four impotencies in
males, aspermia, azoospermia, four types of impotence of copulation,
atonic impotence, partial impotence, premature ejaculation, symptoms
of the impotent, pollutions, paralysis of bladder, urinary symptoms,
female impotence, frigidity, sterility, impotence of libido, orgasmus
retardatus, nymphomania, orgasmus praecox, diminished frequency.
_Chapter 17—Hyperaesthesia._
Mixoscopy, its emotions, obscene sights, erotomania, in men, in women,
satyriasis, nymphomania, priapism, masturbation, in animals, in women,
incest in men, in women.
_Chapter 18—Paraesthesia._
Masochism, submission to pain, in men, in women, sadism, platonic
sadism, four degrees in men, in women, fetichism, in men, in women,
exhibitionism, homosexuality, in animals, in savages, in history,
in men, in women, perversity, four kinds homosexual perversion,
psychic hermaphrodism, in men, in women, effemination, viraginity,
transvestism, in men, in women, zoöerastia in men, in women.