1910.] NATURAL SCIENCES OF PHILADELPHIA. 471 



Raja batis Linnaeus. 



One from Italy. 



Raja rostrata Lac^pede. 



Six from Italy. This is R. marginata Bonaparte. 



Raja clavata Linnaeus. 



Seven from Italy. 



Raja brachyura (Lafont). 



One from the Mediterranean in the Bonaparte Coll. This seems 

 to be Lafont's species, and possibly Raia blanda Holt may be identical. 



Raja punctata Risso. 



Four from Italy. Wrongly identified by Bonaparte with R. batis L, 



Raja rhomboidalis Tilesius. 



Nine examples from Italy. Following Blainville's suggestion, 2 " 

 the account by Tilesius is very likely identical with that of Delaroche, 

 Possibly R. osbeckii Walbaum 3 = R. machuelo W. 3 = R. hispanica 

 Schneider 4 may be older synonyms? 



Raja miraletus Linnaeus. 



Twelve examples from Italy. 



Raja quadrimaculata Risso. 

 Two from Italy. 



Raja circularis Conch. 



(R. falsavela Bonaparte, Icon. Faun. Ital., Pesc. Ill, pt. 2, XXVI, 1839, 

 descr., PI. Italy.) 



Type of R. falsavela in poor condition. 



Raja radula Delaroche. 



One from Italy. 



Raja meerdervoortii Bleeker. 



Two from Hakodate. 



Psammobatis brevicaudatus Cope. Fig. 2. 



(Proc. Am. Philos. Soc. Phila., XVII, 1877, p. 48. Bav of Pecasmavo, 

 Peru.) 



Type of P. brevicaudatus. 



2 Faun. Franc, Vert., 1825, p. 26. 



3 Pet. Arted. Gen. Pise, III, 1792, p. 532 (based on O.beek). 

 *Syst. Ich. Bloch., 1801, p. 369 (based on Osbeok). 



