TABLE OF CONTENTS. 



INTEOD0CTION. 



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 Yertebrata, . Pages 1-24: 



CflAPTER I. 



General characters of the Protozoa — Classification of the Protozoa — Gregarinidas, . p. 25-2S 



CHAPTER II. 



General characters and orders of the Rhizopoda — Anatomy of the Amcebea^-Foraminifera — 

 AflSnities — ^Distribution of the Foraminifera in Space and in Time — Radiolaria — Acan- 

 thometrae — Polycystina — Thallassicollida^Spongida — Structure of a Sponge — Reproduc- 

 tion of Spongilla — ^Distribution of Sponges in space, p. 29-44 



CHAPTER III. 

 General characters of the Inftisoria — 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 IT. 



General characters of the Coelenterata— Divisions of the Ccelenterata — General characters of 

 the Hydrozoa — General terminology of the Hydrozoa, p. 55-56 



CHAPTER Y. 

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

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

 erations — Sertularida — Campanularida, p. 57-69 



CHAPTER YI. 



Siphonophora or Oceanic Hydrozoa— Calycophoridae — Physophorldse, , . . p. 70-T3 



CHAPTER YII. 



Discophqra or Medusidie — Structure of Naked-eyed Medusaa-r-Their^ature, . p. 74-77 



