CONTENTS 



PAGE 



INTRODUCTION . 1 



CHAPTER I 



PHYLUM I. : PROTOZOA ....... 5 



Introductory ; general classification and nomenclature ; the 

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

 the Slipper Animalcule ; the Bell Animalcule ; classification 

 of Protozoa ; the differences between unicellular animals and 

 plants ; directions for practical work. 



CHAPTER II 



PHYLUM II. : COELENTERATA . . . . . .23 



CLASS 1. Hydrozoa.The Hydra ; Colonial Hydra-like forms, 

 Sertularia, Bougainvillea ; the formation of Medusae ; direc- 

 tions for practical work. 



CHAPTER III 

 PHYLUM II.: COELENTERATA (continued) .... 37 



CLASS 2. Seyphozoa. 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 



