CONTENTS 



PAGE 



Introduction . . ..... 1 



CHAPTER I 

 Phylum I. : Protozoa ... ... 5 



Introductory ; genei-al classification and nomenclature ; the 

 Amoeba ; the formation of chalk rook ; the Springing Monad ; 

 the Slipper Animalcule ; the Bell Animalcule ; classification 

 of Protozoa ; the diiferences between unicellular animals and 

 plants ; directions for practical work. 



CHAPTER n 



Phylum II. : Coelenteeata . . . . . .23 



Class 1. Bydrozoa. — The Hydra ; Colonial Hydra-like forms, 

 Sertularia, Bougainvillea ; the formation of Medusae ; direc- 

 tions for practical work. 



CHAPTER HI 



Phylum II.: Coelenterata' {continued) .... 37 



Class 2. Scyphozoa. — The Common Jelly-fish. Class 3. 

 Anthozoa. — Sea-anemones and Corals. Classification of Coe- 

 lenterata ; practical notes, how to start a sea-water tank, etc. 

 ix 



