1908.] NATURAL SCIENCES OF PHILADELPHIA. 55 



front margin of first dorsal If; least depth of caudal peduncle 2f ; 

 ventral lyV; about 38 series of teeth in upper jaw and 28 in lower; 

 pectoral reaching + to ventral, and its greatest width 2 in its length. 

 Color in alcohol dull gray-brown, more or less uniform, lower surface 

 of trunk and head, also of pectoral and ventral, a little paler. Dorsals 

 and caudal like back. Iris pale slaty-gray. Length 49 inches. New- 

 port, R. I. J. C. Dunn. 



Also a large dried skin (Bonaparte ^), probably from Italy? 



liAMNID^. 



Isurus oxyrinclius Rafinesque. 



Jaws of a large example, evidently this species, without data. 

 Possibly from Italy? 



Lamna oornubica (Gmelin). 



Head about 5 ; depth about 6 J ; snout about 2f in head ; eye 7| ; width 

 of head about 3; gape of mouth 2^; interorbital space 3f ; height of 

 first dorsal 2f ; length of second dorsal 4f ; of anal 4|; least depth of 

 caudal peduncle 9; greatest width of caudal peduncle 4^; front margin 

 of lower caudal lobe H; pectoral 1^; ventral 3. Color in alcohol dull 

 gray-brown on upper surface of body, and pale or whitish below, line 

 of demarcation along side of caudal peduncle sharply defined. Dorsal 

 and upper surface of caudal like back, lower pale like belly, though with 

 more or less grayish. Upper surface of pectoral like back, lower paler 

 like belly. Ventral and anal pale, slightly with grayish. Iris pale 

 olive-gray, eyeball whitish. Teeth whitish. Length 27^ inches. 

 Italy (Bonaparte). 



OETORHINID^. 



Cetorhinus maximus (Gunner). 



Although there is no example in the collection, a large dried mounted 

 skin, said to have been taken in Monterey Bay, Cal., was exhibited in 

 Philadelphia several years ago, and was examined by Mr. Witmer 

 Stone and myself. 



GALEORHINID^. 

 Cynais canis (Mitchill). 



Nantucket (Sharp), ]\Iass.; Newport (J. Leidy and S. Powel), R. I.; 

 Sea Isle City (Fox), Atlantic City (C. W. Buvinger, G. W. Tryon, Jr.), 

 and Great Egg Harbor Bay (Leidy), N. J.; E. Coast U. S. (Smiths. 

 Inst.); Italy (Bonaparte). 



