TABLE OF CONTENTS. xxxv 



PAGE 



4. The Vagina . . ..... 880 



5. The Vulva ........ 882 



6. The Mammae ... .... 884 



Differential Characters hi the Female Genital Organs of other than Solipecl 



Mammals ...... 886 



Comparison of the Genital Organs of Woman with those of Domesticated 



Female Animals ..... 888 



CHAPTER III. Generative Apparatus of Birds .... 889 



1. Male Genital Organs .... 889 



2. Female Genital Organs . . 889 



BOOK IX. 



EMBRYOLOGY. 



CHAPTER I. The Ovum and its Modifications after Impregnation 890 



Article I. The Ovum ...... 890 



Article n. Modifications in the Ovum until the Appearance of the Embryo . 890 



Article in. Development of the Blastodermic Laminae . 892 



External Lamina ..... 893 



Middle Lamina ..... 893 



Internal Lamina . . 94. 

 CHAPTER II. The Foetal Envelopes of Solipeds 



1. The Chorion . ... 895 



2. The Amnion . . . ggg 



3. The Allantois .... 896 



4. The Umbilical Vesicle ..... 899 



5. The Placenta .... 899 



6. The Umbilical Cord ...... 900 



Differential Characters in the Annexes of the Fcetus of other Domesticated 



Animals than Solipeds ... 901 

 Comparison of the Annexes of the Human Foetus with those of the Foetus of 



Animals onj. 



* w t/VT 



CHAPTER III. Development of the Foetus . . . 905 



Article I. Formation of the Embryo .... 905 



Development of the Chorda Dorsalis and Vertebral Laminse . . 905 



Development of the Lateral and Cephalic Lamina ... . 905 



Article n. Development of the \arious Organs of the Animal Economy . 907 



Development of the Nervous System ..... 907 



Development of the Organs of Sense .. . . . .908 



Development of the Locomotory Apparatus . . . .911 



Development of the Circulatory Apparatus . . 914 



Development of the Eespiratory Apparatus , , 918 



Development of the Digestive Apparatus . . . 919 



Development of the Genito-urinary Apparatus . 922 



CHAPTER IV. The Ovum of Birds . 925 



Index . Q97 



a , & I 





