1908.] NATURAL SCIENCES OF PHILADELPHIA. 69 



2f ; least depth of caudal peduncle 7 to 8|; pectoral lyV to If^; ventral 

 li to 1|; teeth in 26 series in jaw; length ISf to 26 inches. Italy 

 (Bonaparte, No. 249). Three examples. 



Entoxychirus uyato (Rafinesque). 



Head 4i; depth 8; width of head If in its length; snout 2f ; eye 3f ; 

 width of mouth 2| ; interorbital space 2f ; first dorsal spine 2| ; second 

 dorsal spine 3*; least depth of caudal peduncle 5|; pectoral If; ventral 

 2 ; teeth about f ^ ; length 20| inches. Italy (Bonaparte, No. 241). 



Centrophorus granulosus (Schneider). 



Head about 5i; depth about 7f; width of head about 1|- in its length: 

 snout 3; eye-cavity 4; snout to front of mouth about 2^; width of 

 mouth 3; interorbital space 2f ; first dorsal spine 4; second dorsal spine 

 4|-; least depth of caudal peduncle 6; pectoral 2 along front margin; 

 length of ventral 2^; teeth |^; length, dried, about 33^ inches. Italy? 

 (Bonaparte, No. 42). 



Also another example, dried, without data, probably same as above? 



Dr. Doderlcin included Squalus uyato Rafinesque" as a synonym of 

 this species. From the latter's very rude figure,^* though of course of 

 little value, one would be obliged to retain it under Squalus. 



Etmopterus spinax (Linnaus). 



Head 5yV to 5f ; depth about 6^ to 9f ?; width of head If to If in its 

 length ; snout 2|- to 3^ ; eye 3 to 5 (iris) ; width of mouth 2f to 2f ; space 

 between tip of snout and front margin of upper jaw If to If'o-; inter- 

 orbital space 2^ to 2f ; least depth of caudal peduncle 5f to 6^; height of 

 lower caudal lobe 3f to 3f ; pectoral ly^ to 2yV; ventral If to If; teeth 

 1^; length lU to 16| inches. Italy (Bonaparte, No. 243). Three 

 examples. 



Centre scyllium fabricii (Reinhardt). 



George's Bank (U. S. N. M.). A young example. 

 DALATIID^. 



Dalatias licha (Bonnaterre). 



Head 6^; depth 8f to 9; width of head If to 1|; depth of head about 

 If to 2|; snout 4f to 4^; eye, to edge of iris, Q^ to 7; space between tip 

 of snout and front margin of upper jaw 3f ; width of mouth 2f to 3f ; 

 interorbital space 2f to 3 ; length of first dorsal U to If ; length of second 



" Car. Nuov. Gen. Sicilia, 1810, p. 13. 



" Squalus uyaius Rafinesque, I.e., Pi. 14, fig. 2. 



