CONTENTS. 





CHAPTER I. 



PAGE 



Nature of Animals Processes of Life Tissues and Organs 

 Symmetries of Animals . ..... I 



CHAPTER II. 



Classification of Animals Method of naming Resem- 

 blances of Relationship and of Adaptation Mimicry 

 Parasites The Seven Sub-kingdoms of Invertebrate 

 Animals Each Animal has a Life History, not a mere 

 Growth Rudimental Organs Tendency to Individual 

 Variety ......... 6 



CHAPTER III. 



Conditions of Distribution in Time and Space Freshwater, 

 Marine, and Terrestrial Life Methods of Study of 

 Zoology . . . . . . t , . 13 



CHAPTER IV. 



Sub-kingdom I. Protozoa : Rhizopods Amoebae Sun- 

 Animalcules Gregarines and Radiolarians . , . 1 8 



