xvi Contents. 



CHAPTER XX. 



GENERATION AND DEVELOPMENT. 



PAGE 



Seminal Fluid — Erection— Sexual Intercourse— The Ovum— 

 ' Heat ' — Puberty — Development of the Ovum — The 

 Amnion — Allantois — Chorion — Umbilical Cord — Fcetal 

 Circulation — Duration of Pregnancy — Nutrition of the 

 Embryo — Uterine Milk — Parturition — Mammary Secre- 

 tion, Colostrum and Milk, Composition of - - 377-304 



CHAPTER XXI. 



GROWTH, DECAY, AND DEATH. 



Growth — Rate and Amount of Increase — Dentition — Decay, 



Period of — Death, Causes of - - 395-401 



