1910.] NATURAL SCIENCES OF PHILADELPHIA. 475 



Pteroplatea altavela (Linnaeus). 



One from Italy. 

 Pteroplatea marmorata Cooper. 

 One from San Diego, Cal. 



MYLIOBATIDJE. 

 Myliobatis bovina G. St. Hilaire. 



One from Italy. 



Myliobatis aquila (Linnaeus). 



{M. noctula Bon., Icon. Faun. Ital., Peso. Ill, pt. 2, II, 1S33, descr., PI. Italy.) 



Cotype of M. noctula, three examples. 

 Myliobatis freminvillii Le Sueur. 



Four from Newport, R. I., and Sea Isle City, X. J. One has two 

 caudal spines. 



Myliobatis californicus Gill. 

 Young from San Diego, Cal. 



Aetobatus narinari (Euphrasen). 



One without data. 



Rhinoptera bonasus (Mitchill). 



Beaufort, N. C, and Ocean City, N. J., two examples. 



MOBULIDiE. 



Manta birostris (Walbaum). 



Eye of large example from Stone Harbor, N. J. 



