270 St over's Synopsis of the Fishes of North America. 



on each side. Eyelids wanting. Spiracles distinct. Branchial openings, 

 five, partly ovei' the pectoral fins. 



1. Scyllium cirratnm, Gmel. 



Rufous. The young brownish .above, and somewhat fawn-colored beneath, marked on 

 both surfaces, over the whole of the body and the fins, by small black, rounded spots, not 

 closely set, and somewhat regular in their distribution. Spiracles small, just behind the 

 eyes. It generally has ten rows of teeth. 



D. (>). P. (?). V. (?). A. (?). C. (?). Length, 1 to 15 feet. 



Caribbean Sea, Bancroft- 



Called "Nurse," at Jamaica ; " Gata," at Havana. 



Squalus cirratus, Lin., Gmel. 



Cirrated Shark, Shaw's Gen. Zool., v v p 344. 

 Scyllium cirraium (Gmel.), Bancroft, Sowerby's Zoological Journal, v. pp. 82, 8G ; 115. 



GENUS CEPHALOPTERA, Dumeril. 



2. Cephaloptera hypostoma, Bennett. 



Smooth ; mouth beneath ; the anterior edge of the pectoral fins declivous- Spiracles sit- 

 uated in a groove at the anterior base of the pectorals. 



Length to ventrals, 17 inches ; length of tail, 21 inches. Extreme breadth of body, 28 

 inches. 



Caribbean Sea, Bancroft. 



Cephalopierus hypostomus, Bennett, Proceedings of Zoological Society of London, i. 1S30, 1S31, d. 13-1. 

 " " " Sowerby's Zoological Journal, v. p. 411, pi. 50. 



Since this paper was prepared for publication, the following spe- 

 cies have been discovered, and are described in the " Proceedings 

 of the Boston Society of Natural History." 



GENUS PRIONOTUS, Cuv. 



5. Prionotus pilatus, Storer. 



Above of a reddish brown, beneath yellowish white. The first dorsal fin is crossed by 

 two oblique white lines, with a black blotch upon the connecting membrane, between the 

 fourth and fifth rays, above the upper oblique line. The entire head is roughened by elevated 



