Fishes of Brookhaven^ L. I. 293 



Art. XXIV. — descriptions OF FOUR SPECIES OF FISH FROM 

 BROOKHAVEX, L. I., ALL OF WHICH ARE BELIEVED TO BE NEW. 

 By William O. Ayres, of East Hartford, Con. 



Carcharias griseus. 

 Plate XII. Fig. 4. 



Length forty-one inches ; greatest depth five and a quarter 

 inches. Color above light bluish gray, sides lighter, beneath 

 white. Branchial orifices five on each side, the posterior one 

 being above the origin of the pectoral fin. Eyes oval and 

 vertical, two and a quarter inches posterior to the snout, their 

 length half an inch. Mouth on the inferior surface, about 

 two and a half inches behind the snout. Teeth numerous in 

 both jaws, but not arranged in regular rows ; in the upper 

 jaw, however, two indistinct rows may be traced. Teeth in 

 both jaws similar in shape ; they are long and pointed, (with 

 spreading- roots), and in some instances are furnished with a 

 small projection on each side near the base, like those of the 

 genus scyllium ; in others these appendages are wanting ; edges 

 of the teeth smooth. Nostrils oval, immediately anterior to 

 the mouth. No spiracles discernible on the closest examina- 

 tion. 



The pectorals arise about nine inches from the snout ; they 

 are horizontal, and their height, measuring along the edge to 

 the tip is five and a quarter inches. The first dorsal arises 

 fifteen inches from the snout, is four and three fourth inches 

 in length, three and a half in height, nearly straight on the 

 anterior edge and concave behind ; the posterior portion is 

 free. The ventrals arise twenty-one and a quarter inches 

 from the snout, are horizontal and measuring as in the pecto- 

 rals, are three and a half inches in height. The second dorsal 

 arises eight inches posterior to the origin of the first, is three 

 and a half inches in length, two and a quarter in height, 

 shaped much like the first. The anal arises twenty-six and 

 a quarter inches from the snout, is two inches and a half in 

 length, an inch and a half in height. 



