Vlll CONTENTS 



REPRODUCTION 



Reproduction common to all living things— Spon- 

 taneous generation— Germs— Origin of life- 

 Simplest form of generation— Low forms of 

 life— Sex— Hermaphrodism— Sex in plants- 

 Sex in animals— Other se:^ual differences— Men 

 and women differ in form— The male and the 

 female brain— Vital organs of man and woman 

 —Woman less muscular, more enduring— A 

 pathological difference— Why a woman does 

 not breathe like a man— The reproductive ele- 

 ments—Sexual organs of plants— Vegetable 

 husbands— Polygamous flowers— The female 

 organs of flowers— Sexual organs of animals— 

 The spermatozoon— Spermatozoa— The ovum— 

 Ovulation— Fecundation— Fecundation in flow- 

 ers—Natural adaptations— Curious modes of 

 fecundation in animals— Union of the ovum and 

 zoosperm— Curious modes of reproduction— 

 Parthenogenesis— Human beings are developed 

 buds — Complemental males — Development — 

 Unprotected development— Partial protection 

 of the ovum— Development in the higher ani- 

 mals and man— The uterus— Gestation, or 

 pregnancy— The primitive trace— Simplicity of 

 early structures— The stages of growth— Dura- 

 tion of gestation— Uterine life— How the un- 

 born infant breathes— Parturition, or child- 

 birth—Changes in the child at birth— Nurs- 

 ing 72-114 



ANATOMY OF THE REPRODUCTIVE ORGANS 



Male organs— The prostate gland — Female organs 

 — Puberty— Causes which delay puberty— In- 

 fluence of diet on puberty— A caution— Bru- 

 nettes precocious — Remarkable precocity — 

 Premature development occasions early decay 



