6 NEW-YORK FAUNA. 



THE SHARP-NOSED YELLOW PERCH. 



Perca acuta. 



PLATE LXVIII. FIG. 282. 



La Perche a muscau pointu. Cuv. et Val. Hist. Poiss. Vol. 2, p. 49, pi. 10. 

 The Sharp-twsed Perch. RjCHAEDsoN, Fauna Bor. Am. Vol. 3, p. 4. 



Characteristics. With seven dark bands, between which are an equal number of spots or 

 irregular bands. 



Description. Lower jaw elongated ; snout pointed. Minute dentations on the preopercle, 

 and even on its lower edge ; a few, moderately strong, on the preopercle, immediately be- 

 neath its point. The last ray of the first dorsal, and the first of the second dorsal, very short. 

 The vent nearly equidistant between the ventral and anal fins. 



Color. Seven dark vertical bands descending on the sides ; and between them, seven half 

 bands more or less regular, or merely spots on the dorsal region. 



Length, 8-0. 



Fin rays, D. 13 or 14.2.14; P. 14; V. 1.5; A. 2.7; C.'l7. 



Sent to Cuvier from Lake Ontario. 



THE SLENDER YELLOW PERCH. 



Perca gracilis. 

 La Perche grele. Cuv. et Val. Hist, des Poissons, Vol. 2, p. 50. 



Characteristics. Body elongated, with a smaU black spot on its first dorsal. Opercle not 

 dentated. Length four inches. 



Description. Body less elevated than in the preceding species, and its facial outline less 

 concave. No dentations on the opercle, and those on the preopercle very minute. Spinous 

 ray of the second dorsal extremely feeble and short. Its bands and half bands as in the 

 preceding, but less unequal among themselves. 



Length, 4'0. 



Fin rays, D. 12.1.13; P. 12; V. 1.5; A. 2.8; C. 19. 



This species was obtained from Skaneateles lake, Onondaga county, by Cuvier. It is 

 doubtless mixed there with the true Yellow Perch, of which I have obtained specimens from 

 that lake. 



