CONTENTS. 



GENERAL. 



CHAPTER I. 

 General Survey of the Animal Kingdom 



PAGE 



i 



Physiology 



CHAPTER II. 



Morphology 



CHAPTER III. 



32 



Embryology 



CHAPTER IV. 



49 



Paleontology 



CHAPTER V. 



73 



CHAPTER VI. 



Doctrine of Descent 



80 



