OF THE GENUS SCIiENA. 253 



than the operculum, with serratures hardly sensible 

 on the preoperculum, the other pieces being destitute 

 of spines; dorsal fins subequal in height, the first 

 rounded anteriorly, and lower towards the three last 

 rays, all of which are strong and spinous, and im- 

 bricated to lay close upon the back ; the second dor- 

 sal is very high and equal in its length, sustained by 

 from twenty-nine to thirty soft and much divided 

 rays, of which the first is spinous ; the base of the 

 rays of this fin, and of the caudal, are covered with 

 scales ; jiectorals moderately pointed ? thoracic fins 

 armed with a strong spinous ray ; anal moderate, of 

 seven divided rays and two spines, of which the first 

 is very short, the second strong and very long ; cau- 

 dal subtruncated, wider than the abdomen ; scales 

 oblique, shorter than broad, and slightly denticula- 

 ted, without being rough to the touch, crowded to- 

 wards the neck above the pectorals, larger upon the 

 opercula, the sides of the body, and upon the tail ; 

 the colour on the head, snout, and caudal fin was of 

 a bluish-gray, drawing upon black upon the snout 

 and above the eyes, more gray towards the back, and 

 above the pectorals ; all the other fins are of a lighter 

 gray ; there were some red tints upon the cheeks, a 

 yellowish reflection upon the scales of the back of 

 the tail, and of the opercula ; the abdomen beneath 

 the throat was white; lateral line arquated. 



Length sixteen inches, by about four inches and a 

 half in depth. 



B. 7. P. 19. D. 9.— 30. T. 1—5. A. 2— 7. C. 

 18 5-5. 



This species inhabits Lake Erie. 



