PISCES 



229 



Sting Ray 



Dasyatis centrura ( Mitchill ) 



Butterfly Ray 



Pteroplatea maclura ( Le Sueur) 



Eagle Ray 



Myliohatis freminviUei ( Le Sueur) 



Great Manta 



Manta birostris (Walbaum) 



Torpedo 



Tetronarce occidentaZis 

 (Storer) 



Fig. 107. Rays. (Courtesy of Nichols and Breder and the N. Y. Zoological Society.) 



