CONTENTS 



CHAPTEE I PAGE 



Introduction ___________________ 17 



The Biological Point of View, 17; Science and the Scientific Method, 

 18; Zoologj-, a Biological Science, 19; The Subdivisions of Zoologj-, 

 19; Classification of the Animal Kingdom, 25; Vital Eelations of An- 

 imals and Plants, 27; Attributes of Life, 30; Balance in Nature, 31; 

 Zoology as Belated to Man, 33; Agriculture and Zoology, 34; Fish- 

 eries and the Application of Zoologj-, 34. 



CHAPTER II 

 History op Zoology _________________ 36 



CHAPTER III 

 Protoplasm and the Cell _______________ 49 



Living Matter, or Protoplasm, 49; The Cell Principle, 49; General 

 Characteristics of Protoplasm and the Material of the Cell, 53; 

 Fundamental Properties or Activities of Protoplasm, 54; Physical 

 Nature of Protoplasm, 55; Chemical Nature of Protoplasm, 56; 

 Structure of a Typical Animal Cell, 58; Cell Division, 61. 



CHAPTER IV 



Phylum Protozoa in General _____________ 65 



Characteristics, 65; Classification, 65; Colonial Protozoa, 75; Tropisms 

 and Animal Reaction, 77; Economic Relations of Protozoa, 77. 



CHAPTER V 



Euglena op Class Mastigophora ____________ 81 



Habitat and Characteristics, 81; Structure, 81* Food and Assimilation, 

 81; Respiration and Excretion, 83; Reproduction and Life Cycle, 83; 

 Behavior, 84; Locomotion and Flagellar Movement, 84. 



CHAPTER VI 



Amoeba op Ck<vss Sarcodina ______________ 85 



Characteristics and Habitat, 85; Structure, 86; Metabolism, 86; Re- 

 production and Life Cycle, 89; Behavior, 91; Amoeboid Movement 

 and Locomotion, 91. 



CHAPTER VII 



Paramecium of Class Inpusoria _____________ 93 



Characteristics and Habitat, 93 ; Structure, 93 ; Metabolism, 95 ; 

 Reproduction and Life History, 96; Behavior, 100; Locomotion, 102. 



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