Human Sexuality Books

CHAPTER ITHE PROBLEM DEFINED What is sex? Asexual and mixed reproduction; Origin of sexual reproduction; Advantage of sex in chance of survival; Germ and body cells; Limitations of biology in social problems; Sex always present in higher animals; Sex in mammals; The sex problem in the human species; Application of laboratory method. Sex, like all complicated phenomena, defies being crowded into a... more...

THE REPRODUCTION OF LIVING BEINGS History of the Germ:—Cell-division—Parthenogenesis—Conjugation—Mneme—Embryological Development— Difference of the Sexes—Castration—Hermaphrodism— Heredity—Blastophthoria. A general law of organic life decrees that every living individual is gradually transformed in the course of a cycle which is called individual life, and which terminates with... more...

I The fact of sexual need in man and animal is expressed in biology by the assumption of a "sexual impulse." This impulse is made analogous to the impulse of taking nourishment, and to hunger. The sexual expression corresponding to hunger not being found colloquilly, science uses the expression "libido." Popular conception makes definite assumptions concerning the nature and qualities... more...

PREFACE. The publishers of this work offer no apology for presenting it to the reading public, since the wide prevalence of the evils which it exposes is sufficient warrant for its publication. The subjects with which it deals are of vital consequence to the human race; and it is of the utmost importance that every effort should be made to dispel the gross ignorance which almost universally prevails,... more...