14 FISHES OF LORAIN COUNTY, OHIO. 
17. Carpiodes thompsoni Agassiz. LAKE Carp. 
[Jord. Man. 7i. O, St. Surv. 32.] 
Oblong with high arched back and long dorsal fin, (27 rays). 
Dull white-colored with large coarse scales. Length 15 inches. 
Not very common, though a few are taken every season in the 
pounds. 
18. Catostomus teres (Mitchill), COMMON SUCKER. 
[Jord. Man. 76. O. St. Surv. 39.] 
Body elongated, scales crowded in front, 65—-70 scales in lat- 
eral line, whitish, young dusky, often blotched with darker ; length 
TetOnt ss feet. : 
Very common in all our waters. 
19. Catostomus nigricans Le Sueur. STONE-ROLLER. 
[Jord. Man. 77. O. St. Surv. 40.] 
30dy stout in front, tapering off rapidly behind; head very 
large, body marked with three broad black bands, scales moderate, 
crowded in front; length one to two feet. 
This fish is not uncommon in the channels of the larger streams. 
I have not found it in the smaller streams, nor below the rapids; it 
seems to delight in swift running water, and is sometimes speared 
among the other suckers on the riffles. 
20. Erimyzon sucetta (Lacépede). CHuB SucKER. 
[Jord. Man. 78. O. St. Surv. 41.] 
Body rather compressed, oblong, head short, color plain dusky 
or brassy, not lustrous; no lateral lines. The young have a broad 
lateral band of black. Reaches 1o inches in length. 
Not common. I have taken a few in the lower part of Bea- 
veriCreek. | 
21. Minytrema melanops Rafinesque. STRIPED SUCKER. 
[Jord. Man. 79. O. St. Surv, 42.] 
Body little compressed, about four times as long as deep, lat- 
eral line wanting in the young, nearly completed in the adult, 
color dusky above, sides and belly silvery, a black spot on each 
scale along the sides, making longitudinal stripes. Length about 15 
inches. 
Rare. Ihave taken two adults, one in Vermillion River, the 
other in Beaver Creek, and a few small ones in the latter stream. 
