Fishes of the Ohio and its Tributaries. 265 
ART. XVI.—DESCRIPTIONS OF THE FISHES OF LAKE ERIE, THE 
a RIVER, AND THEIR TRIBUTARIES. Bv Jaren P. KIRTLAND, 
(Continued from page 32.) 
Carosromus. Le Sueur. 
C. communis. The Brook Sucker. 
proa communis. Le Sue J. A. N. S. Vol. I. p. 96, and fig. 
gracilis. The Brook Sucker. Kirtland, Rep. on Ohio, pp. 169, 193. 
vs communis. $ Dekay’s Report, p. 196, pl. 33, fig. 106. 
T " i " Hist. Nat. des Poissons. Cuv. et Vol. 
y t. xvii. p. 426 ; 
Plate XIX. Fig. 1. 
Head slightly elongated, small, quadrangular, narrower sag 
the body ; eyes small; iris silvery ; nostrils double. 
Mouth and lips delicate, rather small. 
Body sub-cylindrical, slightly compressed laterally, fusi- 
form, the scales minute behind the operculum, gradually en- 
larging towards the caudal-fin ; lateral line straight, running 
above the middle of the body. 
Dorsal fin quadrangular, the ribs ae the rays bléchishe 
Caudal fin small, obtuse, rather lunated than lobed. The 
Fays at their extremities are usually blushed with red. 
Anal fin narrow, attains to the base of the pr^ 
Pectoral fin ovate: 
lor. The back and head olive and iridescent; sides 
silvery ; beneath, pearly white. 
Sth, 12 to 18 inches. a ecc a 
Hab. Big and Little Miami, and the Mahoning.: 4 pr - 
and also in most of the smaller streams. ; 
D. 14; C. 18; A. 8; V. 10; Pcdüsyya si 
Observations. A fish, which I suppose to be the male of 
this species, may be seen on the ripples of the small streams, 
ing in great numbers in the spawning beds during the a 
month of June. At that time the rays of the anal fin are — 
VOL, v, 18 x” 
