16 CONTENTS. 



PAGE 



V. REPRODUCTIVE FUNCTIONS 624 



Reproductive Organs, 624 Genital Organs of the Male, 625 

 Testes, 625 Penis, 630 Genital Organs of the Female, 631 Ovary, 

 631 Fallopian Tubes, 640 Uterus, 640 Ovulation, 642 Menstrua- 

 tion, 645 Formation of the Corpus Luteum, 649 Maturation of the 

 Ovum, 651 Impregnation, 651 Erection of the Penis, 651 Ejacu- 

 lation, 652 Ovarian and Abdominal Pregnancy, 654 Method of 

 Fertilization, 656 Segmentation, 657 Formation of the Embryo, 

 657 Development of the Chick, 658 Membranes of the Embryo, 

 659 Amnion, 659 Yolk-sac, 660 Allantois, 660 Chorion, 660 

 Placenta, 660 Circulation in the Embryo, 661 Changes in the 

 Circulation at Birth, 663. 



INDEX ... . 665 



