CHAPTER I

PAGE The reproduction of living beings--History of the germ-- Cell-division--Parthenogenesis--Conjugation--Mneme--Embryonic development--Difference of sexes--Castration--Hermaphrodism-- Heredity--Blastophthoria 6

The evolution or descent of living beings 39

Natural conditions of mechanism of human coitus--Pregnancy-- Correlative sexual characters 49

The sexual appetite in man and woman--Flirtation 72