CONTENTS. 

 CHAPTER IV. 

 HISTOLOGY. 



Independent Cells 

 Dependent Cells . . . 

 Structure of the Cell 



CHAPTER V. 

 GROWTH AND REPRODUCTION. 



Asexual Reproduction 

 Sexual Reproduction 



CHAPTER VI. 

 COMPARATIVE EMBRYOLOGY. 



Larva and Embryo 

 Segmentation 

 Types of Larvae . . . 

 Metamorphosis ... 



CHAPTER VII. 

 GEOGRAPHICAL DISTRIBUTION, 



Physical Distribution 



Aquatic Fauna 



Terrestrial Fauna 



.Ferial Fauna - ... 



Topographical Distribution 



Zoological Realms 



Oceanic Islands 



Discontinuous Distribution 



CHAPTER VIII. 



GEOLOGICAL DISTRIBUTION, 



Fossils 66 



Strata 67 



Exting4: Animals 70 



