TABLE OF CONTENTS. xxxv 



PAGE 



4. The Vagina . . .... 880 



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



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



Differential Characters in the Female Genital Organs of other than Soliped 



Mammals ........ 886 



Comparison of the Genital Organs of Woman with those of Domesticated 



Female Animals ....... 888 



Chaptek III. — Generative Apparatus of Birds .... 889 



1. Male Genital Organs ....... 889 



2. Female Genital Organs ...... 889 



BOOK IX. 



EMBETOLOGT. 



Ohaptee I. — The Ovum and its Modifications after Impregnation . . 890 



Article i.— The Ovum .... . . 890 



Article ii. — Modifications in the Ovum until the Appearance of the Emhryo . 890 



Article iii. — Development of the Blastodermic LaminoB . . 892 



External Lamina .... ... 893 



Middle Lamina . . . 893 



Internal Lamina . .- . ... 894 



Chapter II. — The Foetal Envelopes of Solipeds . . . 895 



1. The Chorion . . .... 895 



2. The Amnion ....... 896 



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 Foetus of other Domesticated 



Animals than Solipeds ...... 901 



Comparison of the Annexes of the Hiunan Foetus with those of the Foetus of 



Animals ......•• 90* 



Chaptek HI. — Development of the Fcetus ..... 905 



Article i. — ^Formation of the Embryo ..... 905 



Development of the Chorda Dorsalis and Vertebral Laminse . . 905 



Development of the Lateral and Cephalic Laminse . • • 905 



Article n.— Development of the Various Organs of the Animal Economy . 907 



Development of the Nervous System ..... "07 



Development of the Organs of Sense . . . • • "08 



Development of the Locomotory Apparatus . . • ■ 911 



Development of the Circulatory Apparatus . • "^* 



Development of the Respiratory Apparatus - • • "1° 



Development of the Digestive Apparatus . . . . "'9 



Development of the Genito-nrinary Apparatus .... 922 



Chapter IV.— The Ovum of Birds . . . . . .925 



Index ......... 927 



