CONTENTS. 



GENERAL. 



CHAPTER I. 



General Survey of the Ammai, Kingdom, 



Physiology, 



CHAPTER II. 



14 



Morphology, 



CHAPTER III. 



30 



EmBRY'OLOGY, 



CHAPTER IV. 



49 



PaL.1!ONT0L0GY, 



CHAPTER V. 



74 



CHAPTER VI. 



Doctrine of Descent, 



Si 



