TABLE OF CONTENTS. 



BOOK IX. 



EMBRYOLOGY. 



CThapter I.— The Ovum and its Early Embryonic Developments 



Article I. — The Ovum ...... 



Article II. — First Embryonic Developments .... 



Article III. — General Direction of Development. — Vertebral Type 

 Chapter II.— The Foetal Envelopes of SoUpeds 



1. The Chorion ....... 



2. The Amiiiou ..... . 



3. The Allantoia ....... 



4. The Umbilical Vesicle . . . , . 



5. The Placenta ....... 



6. The Umbilical Cord ... . . 

 Diflfereiitial Cliaracters in the Annexes of the Fcetus of the other Animals 



CompariBOU of the Annexes of the Human Foetus with those of Animals 

 Chapter III. — Development of the Foetus 

 Akticle I. — Formation op the Embryo ..... 



Development of the Chorda Doraalis and Vertebral Laminae . 

 Article II. — Development of the Various Oegans in the Animal Economy 



Development of the Nervous System ...... 



Development of the Organs of Sense ..... 



Development of the Locomotory Apparatus . . . , 



Development of the Circulatory Apparatus . • . » 



Development of the Respiratory Apparatus .... 



Development of the Digestive Apparatus . . . 



Development of the Gtenito-urinary Appaxatua . . . 



PAQl 



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