CONTENTS. 



PAGE 



Subject of the Work . . . .1 



General Structure of the Naked-eyed Medusae . . . 2 



Muscular System . . .... 3 



Nutritive System . . . . 4 



Reproductive System . . . .6 



Organs of Sense . . . . 8 



Power of Stinging . . . .10 



Phosphorescence . . . 11 



Development . . . . . . .14 



Table of Genera . . ..17 



Account op Genera and Species . . . . 19-74 



Enumeration of higher British Discophorse . . 75 



Classification of Medusae .... . . 78 



How to Observe and Preserve them . . . . 89 



Bibliographical Appendix . . .91 



Index of Genera and Species described . . . . . 103 



