[PART IV]: PHYSIOLOGY OF SEX.

[Chapter 6]—General physiologic phenomena.

Cell-division, maturition, impregnation, mitosis, polar bodies, Mendel’s law, unit-characters, segregation, zygote.

[Chapter 7]—Functions of the male generative organs.

Function of testicles, spermatogenesis, maturition, function of seminal vesicles, prostate, Cowpers glands, urethral glands, semen, erection, ejaculation, nervous control, orgasm.

Chapter 8[Chapter 8]—Functions of female sex-organs.

Function of ovaries, ovum, Graafian follicle, tubes, menstruation, function of uterus, female ejaculation, function of vagina, Bartholinian glands, of clitoris, course of the sexual act.

[Chapter 9]—Libido sexualis.

Quality of pleasure, symptoms of pleasure, orgasm, symptom of after-lust, intensity of libido, the senses in its service, inhibition of libido, duration of copulation, post-orgastic stage.

[PART V]: PSYCHOLOGY OF SEX.