216 Fishes of the Ohio, &c. 
during the whole year in the Ohio. As an article of food, 
it is not much valued in the market of Cincinnati. It is 
called the Lake Shad by the fishermen at Cleveland. 
L. diplemia. Raf. Red Sides. Warty Chub. 
Semotilus diplemia. -Warty Chubby. Minny. Red-fin. Raf. Ich. Ohien. p. 50. 
« t : hub. Kirtland's Rep. p. 169. 
Plate XXII. Fig. 3. 
Head compressed laterally, flat between the eyes; snout 
rounded, and in the males warty ; operculum bordered behind 
with a diaphanous membrane. Eyes flat, circular, situated 
near the top of the head. Under jaw slightly projecting. 
Back elevated, sides flattish, lateral line flexuous ; scales on 
the sides oval and elongated perpendicularly. 
Color. The back olive, abdomen white and silvery, the 
sides iridescent and violaceous, marked with irregular and in- 
terrupted black lines on the posterior edges of the scales. 
Fins orange color in the females, violet or red in the males. 
Length 2 to 4 inches, 
Hab. All the western streams. 
D. 9; C. 22; 4.9; V. 85 P. 14. 
Observations. The number of rays in the different fin : 
vary in different specimens, which will account for a E 
crepancy between the descriptions of M. Rafinesque an 
myself. | : 
. Great numbers of this fish collect on the ripples 1m yi 
smaller streams during the spring of the year, and mU 
extensive beds, in which they deposit their spawn. mp thé 
period, they return to deeper waters, and lose much o : 
brilliancy of their colors during the remainder of the year. 
* 
