TABLE OF CONTENTS. 



INTRODUCTION. 



Definition of Biology and Zoology Characters of dead and unorganized bodies Characters 

 of living and organized bodies Differences between animals and plants Principles of 

 Zoological classification The great Physiological Functions Homology and Analogy- 

 General Divisions of the Animal Kingdom Invertebrata and Vertebrata, . Pages 1-24 



CHAPTER I. 



General characters of the Protozoa Classification of the Protozoa Gregarinidas, . p. 25-28 



CHAPTER II. 



General characters and orders of the Ehizopoda Anatomy of the Amoebea Foraminifera 

 Affinities Distribution of the Foraminifera in Space and in Time Radiolaria Acan- 

 thoinetra3 Polycystina Thallassicollida Spongida Structure of a Sponge Reproduc- 

 tion of Spongilla Distribution of Sponges in space, p. 29^4 



CHAPTER III. 



General characters of the Infusoria Anatomy of Paramcecium Structure of Epistylis 

 Orders of Infusoria Distribution of Infusoria in space Tabular view of the divisions 

 of the Protozoa, p. 45-49 



CHAPTER IV. 



General characters of the Ccelenterata Divisions of the Ccelenterata General characters of 

 the Hydrozoa General terminology of the Hydrozoa, p. 50-56 



CHAPTER V. 



Divisions of the Hydrozoa Hydroida Hydrida Anatomy of Hydra Corynida Repro- 

 duction in the Corynida and in the Hydroid Zoophytes generally Alternation of gen- 

 erations Sertularida Campanularida, p. 57-69 



CHAPTER VI. 

 Siphonophora or Oceanic Hydrozoa Calycophorida> Physophoridae, . . p. 70-73 



CHAPTER VII. 



Discophora or Medusidse Structure of Naked-eyed Medusae Their nature, . p. 74-7T 



