MONOGRAPH 
BRITISH NAKED-EYED MEDUS/: 
WITH 
Figures of all the Species. 
EDWARD FORBES, F-.R.S.; L.S.; anp G.S. 
PROFESSOR OF BOTANY IN KING’S COLLEGE, LONDON ; 
AND PALAONTOLOGIST TO THE GEOLOGICAL SURVEY OF THE UNITED KINGDOM. 
LONDON : 
PRINTED FOR THE RAY SOCIETY. 
MYDCCCXLVIII. 
