CONTENTS 



PAGE 



INTRODUCTORY ....... 1 



The Uses and Pleasures of an Acquaintance with Natural 

 Science Claims of Marine Zoology to a Place in the 

 Front Rank 



CHAPTER I 

 THE PROTOZOA ; . . 7 



The Flagellata, Ciliata, and Radiolaria The Fora- 

 mini f era, Antiquity of Factors in Geology, their 

 Physiology, Reproduction, etc. How to obtain and 

 study the Living Forms 



CHAPTER II 



PORIFERA . . . .16 



Classification, Anatomy and Physiology, Reproduction, 

 etc. Chief British Forms Their Habitats Plan 

 for Identification, etc. 



CHAPTER III 



THE C(ELENTERATA . . . . . .29 



Section 1. The Actinozoa, Simple and Compound 

 Anatomy Reproduction Relation to the Corals 

 Corals, how built up Illustrations from British Types 



Section 2. The Hydroid Zoophytes Structure Alter- 

 nate Generations Modes of Reproduction Nutri- 

 tion, etc. 



Section 3. The larger Medusae or Jelly-fishes Structure, 

 Sense Organs, etc. Reproduction Vast Methods 

 of this accounting for sudden Swarms of these 



The Chief British Types of Coalenterates, their Habitats, 

 etc. 



