CONTENTS 



CHAPTER I 



Page 



Introduction i 



CHAPTER II 

 Protoplasm: Its Morphology and Physiology 8 



CHAPTER III 

 The Animal Cell: Its Morphology and Physiology 19 



CHAPTER IV 

 From the Simple Cell to the Complex Animal . . . 29 



CHAPTER V 

 Cellular Differentiation. — Tissues 48 



CHAPTER VI 

 The General Animal Functions and Their Appropriate Organs . . 66 



CHAPTER VII 

 Promorphology . . 92 



CHAPTER VIII 

 Differentiation of Individuals and Adaptation 100 



CHAPTER IX 

 A General Review of the Animal Kingdom ... 144 



CHAPTER X 

 Phylum — Protozoa .' 150 



CHAPTER XI 



Phylum — Porifera (Sponges) 165 



xiii 



