192 NEW-YORK FAUNA. 



however, belongs to another genus. It is also called the Yellow-bellied Perch, and Wind-fish ; 

 which induced one of our most zealous and acute ichthyologists, Mr. I. Cozzens, to designate 

 it many years since in a MSS. description as Cyprinus eolus. The name of Wind-fish is de- 

 rived from one of its habits. Whenever a light flaw of wind ruffles the water, thousands of 

 these lish may be seen darting to the surface, and as suddenly disappearing. 



[EXTRA-LIMITAL.) 



A. smithii. (Richardson, North. Zool. Vol. 3, p. 110, figure.) Tongue toothed. Dorsal with 1. 12, 

 and anal with 1 .27 rays. Length 9-10 inches. St. Lawrence river. An Abramis ? 



A. balteatus. (Id. lb. p. 302.) A broad scarlet stripe from the gills to the anal, beneath the lateral 

 line. D. 11 ; A. 19 to 22. Length 5 or 6 inches. Columbia river. 



GENUS LABEO. Cuvier. 

 Dorsal long. No spines nor barbels. Lips fleshy, and frequently crcnated. 



THE NEW-YORK CHUBSUCKER. 



Laeeo elegans. 

 n.ATE XXXI. FIG. 100. 



Characteristics. Bluish above ; head greenish. Dorsal subquadrate, rounded above, with 

 twelve rays. Length eight inches. 



Description. Body compressed. Dorsal and abdominal outlines convex. Scales large, 

 with from three to six radiating impressed lines, crossed by others waved and concentric ; 

 they extend high up on the caudal rays. Head smooth, scaleless ; its outline suddenly 

 depressed below the line of the back, and with several irregular protuberances between the 

 nostrils and the tip of the snout. Lateral line obscure. Jaws toothless, the lower received 

 within the upper. Branchial rays three, compressed. 



The dorsal fin nearly quadrate, higher than long, with its anterior rays longest ; its margin 

 rounded. It arises somewhat anterior to the centre of the body, and over the ventral fin. Pec- 

 torals placed low down, long and pointed in a state of repose ; but when displayed, rounded. 

 The ventral fins originate nearly under the centre of the dorsal fin. The anal fin large, and, 

 when closed, extending beyond the tail, and some distance along the caudal fin. This latter 

 fin broadly emarginate, with its lower lobe frequently largest. 



Color. Above dark bluish ; beneath whitish, with pinkish suffusions along the abdomen. 

 Head brilliant green, passing into yellowish and golden on the opercles. Dorsal and anal fin 

 brown. Pectorals and ventrals faint orange. Caudal rosaceous. 



