[Chapter 19]—Hygiene of childhood.

Necessity of early instruction, hygiene in infants, in children, in period of puberty, menstruation, pollutions, prevention of masturbation, syphilis, gonorrhoea, prostitution, alcohol, vanity, pleasure-seeking, prophylaxis against infection.

[Chapter 20]—Eugenics.

Aim of eugenics, methods of elimination of the undesirables, marriage of defectives, personal liberty in marriage, segregation, sterilization, castration.

[Chapter 21]—Sex-hygiene for adults.

Engagement-rules, selection of partner, wedding day, bed-room, positions of conjugation, frequency of conjugation, sequels of great frequency, in general health, in special organs, in the emotions, in sex pleasure, pain of defloration, conjugation during menstruation, conjugation during pregnancy, after confinement, conjugation during lactation, conjugation of nervous people, duration of conjugation, preparation of the woman’s muliebria in partial frigidity, offspring and sexual life, interval between two confinements, sterile time for conjugation, time of day for conjugation, dispareunia, impeditio of conception, sequels of withdrawals, of preventatives, abortion, abstinence, means of sexual excitement.

[PART VIII]: MORALITY.

[Chapter 22]—Standard of morality.

Moral standard of revealed religion, law, ethics, custom, Supreme Intelligence, chaos in morality, economic determinism, the superman, ethics and work, morality of love, philosophy of pleasure, moral standard in nature, rationality in nature, aim of nature, altruism and morality.

[Chapter 23]—Sexual morality.