CONTENTS 



PAGE 



PREFACE v 



TABLE OF THE CLASSIFICATION OF THE ANIMAL KINGDOM xix 



CHAPTER I 



INTRODUCTION i 



1 . General Survey of the Animal Kingdom i 



2. Living Matter contrasted with Non-living Matter . . 8 



3. The Physical Basis of Life Protoplasm 10 



4. The Origin of Life 12 



5. The Cell and the Cell Theory 12 



6. Plants contrasted with Animals 18 



7. Classification 21 



8. The Principal Phyla of the Animal Kingdom ... 23 



9. Zoology and its Subsciences ...... 25 



CHAPTER II 



PHYLUM PROTOZOA 27 



1. Class I. Rhizopoda 27 



a, Ameba proteus, 27 ; b, Rhizopoda in General, 39. 



2. Class II. Mastigophora 41 



a, Euglena viridis, 41 ; b, Mastigophora in General, 45. 



3. Class III. Sporozoa 48 



a, Monocystis, 48 ; b, Plasnwdhuii vivax, 50 ; c, Sporo- 

 zoa in General, 52. 



4. Class IV. Infusoria 53 



a, Parbmecium caudatum, 53 ; b, Infusoria in General, 

 62. 



5. Protozoa in General . . . . . . .65 



6. Pathogenic Protozoa ....... 70 



xi 



