*. the operc 
ATO Fishes of the Ohio 
in-a semi-circular elongation, which is black and 
submargined with a lighter colored border, 
Body somewhat compressed, especially near the 
back ; uniformly oval. í 
Dorsal and anal fins inserted on fleshy, slightly 
extended bases, with minute scales extending upon a. 
portion of the membranes of their soft rays. Cauda: 
fin slightly bilobed ; lobes equal, their bases furnished. 
with scales between the rays for one fourth of their 
length, Ventral fins horizontal, reaching beyond the 
vent, to the commencementvof the anal fin. Pectoral 
fins thin, diaphanous, extending as far as the tip of 
the ventrals. 
Color. Back and head iridescent, brown and pur 
ple, blotched with spots of darker brown ; throat, 
sides, and belly a brilliant golden yellow. ris gilt- 
brown. Pectoral fins fuscous or light brown; the 
other fins pale olive. 
Length from 2 to 8 inches. NS 
D:10— 12; C. 17; A. 38-10; V. 1-5; P 15. 
Habitat, Tributaries of the Ohio in the vicinity 
a 
of Cincinnati, particularly the Bank Lick. °°, 
Observations. "This is a well-niarked and d 
species, at once recognised by its color, the smallness : 
of the mouth, and length of the pectoral fin, as well 
as the shape and color of the posterior extremity of 
Bei 
©) P. vulgaris. Cuv. The Sun-Fish.' Roach. Har 
-lequin Roach. 
Pomotis vulgaris. Cuv. et Valenc. Hist. Nat. des Poissons. | Hl. 
i » i oe 2 : ^ s 
i PIO pr. 45 
NUR 
- 
