264 Storefs Synopsis of the Fishes of North America. 



Connecticut, Linsley. New York, Mitchill, Dekay. New Jersey, Lestjeur. 



Raia bonasus, Cow-nosed Kay, Mitchill, Trans. Lit. and Phil. Soc. of N. Y., I. p. 479. 

 Raia quadriloba, Lesueur, Journ. Acad. Nat. Sc, i. p. 44, pi. 

 Rhinoptera quadriloba, Griffith's Cuv., x. p. 616. 



" " Cow-nosed Ray, Dekay's Report, p. 375, pi. 66, fig. 217. 



" " " " Linsley's Cat. of Fishes of Connecticut. 



GENUS VI. CEPHALOPTERA, Dcmeril. 



The head truncated in front, and the pectorals, instead of embracing it, 

 prolong each of them their anterior extremity into a salient point, which gives 

 to the fish the appearance of having two horns. Teeth slender, slightly 

 dentated. The slender tail, the spine, and the little dorsal, as in Myliobatis. 



1. Cephaloptera vampyrus, Mitchill. 



Body dark brown above ; beneath black, calicoed with milk-white. Skin rough. Tail 

 longer than the body, and armed with one or more spines. Dorsal between the ventrals. 

 Anterior margin of the pectorals convex ; posterior concave. 



Length, 17 feet, 3 inches. Width, 10 to 18 feet. 



Delaware Bay, Mitchill. South Carolina, Catesby. Georgia, Lesueur. 



Cephalopterus vampyrus, Oceanic Vampyre, Mitchill, Annals of Lye. Nat. Hist, of N. York, i. p. 23. 



pi. 11, fig 1. 

 Cephaloptera giorna (L.vcep.), Lesueur, Journ. Acad. Nat. Sc, iv. p. 115, pi. 6, fig. 1. 

 Cephaloptera vampyrus, Sea- Devil, Dekay's Report, p. 377, pi. 67, fig. 219. 

 Cephalopterus manta, Bancroft, Sowerby's Zoological Journal, iv. p. -153. 



GENUS VII. TORPEDO, Dumeril. 

 The disk of the body nearly circular ; pectoral fins large ; two dorsal fins 

 placed so far back as to be on the tail ; surface of the body smooth ; tail 

 short and rather thick ; teeth small and sharp. 



1. Torpedo occidentalis, Storer. 



Whole upper surface dark brown, with a few almost black dots distributed over it ; be- 

 neath white. Very broad across the pectorals ; length of pectorals rather less than half the 

 entire length. Caudal fin is nearly triangular, straight at its posterior margin. Eyes very 

 small- Spiracles oval, directed outwards and a little forwards. 



Length, 4 feet, 2 inches. Width, 3 feet. 



Massachusetts, Storer. 



Torpedo occidentalis, Storer, American Journal of Arts and Sciences, xlv. p. 165, pi. S. 



