CONTENTS. 
Subject of the Work 
General Structure of the Naked-eyed Medusze 
Muscular System 
Nutritive System 
Reproductive System 
Organs of Sense 
Power of Stinging 
Phospherescence 
Development 
Table of Genera 
Account oF GENERA AND SPECIES 
Enumeration of higher British Discophorz 
Classification of Medusze 
How to Observe and Preserve them 
Bibliographical Appendix 
Index of Genera and Species described 
19-74 
91 
103 
