104 THE FISHES OF OHIO. 
Family: Corripé. 
Genus: COTTUS. 
Cottus ictalops (Rafinesque). M1ILLER’S THUMB; SPRING FISH. 
Head about 34%; depth 4 to 6; eye 4. -D. VI to VIII-16 or 17; A. about 
12; ventral fin I, 4, the spine slender and closely attached to the first ray. 
Body stout anteriorly, tapering regularly back to the slender caudal pedun- 
cle. Skin smooth, except just behind the pectorals, where it is beset with 
very small, sharp prickles, these sometimes obsolete; lateral line conspicu- 
ous. Gill membranes not meeting across the very broad isthmus. Olivace- 
ous, more or less barred and speckled with darker; fins mostly barred or 
mottled. Onite variable. Males in breeding season with a wide, black bar 
margined with orange on dorsal fin, and under side of head pigmented with 
dark or blue-black. Length 3 to 7 inches. 
Widely distributed, but never abundant; sometimes locally 
common. It occurs in clear, cold brooks and rapid streams. 
Recorded as Cottus bairdiz, by Girard, from specimens taken by 
Spencer F. Baird, in Mahoning river at Poland. Given by Jordan 
as C. richardsonz; Lorain County, common in Spring brook and 
Chance creek, McCormick, 1892; Maumee river system, St. 
Joseph river at Edgerton, Kirsch, 1893; Franklin County, four 
specimens from Brackenridge’s Run, Williamson and Osburn, 
1897 ; Big Jelloway creek system, Knox County, Parker’s Run’ 
and Black’s Run, common in the latter, Parker, Williamson and 
Osburn, 1898 ; a small brook tributary to North Fork of Licking 
river at Newark, R. C. Osburn, 1899. 
Family: GADIDA. 
Genus: LoOTA. 
Lota maculosa (Le Sueur). BurRBorT; LING; LAKE LAWYER. 
Head 4%; depth 5%; eye 7. OD. 13-76; A. 68; scales very small, em- 
bedded. Body elongate, not much compressed anteriorly. Head slightly 
depressed; mouth large; a single barbel on the chin. 30 pyloric coeca. 
Color, dark olive, thickly marbled and reticulated with blackish; below, 
yellowish or dusky. Length about 2 feet. 
Common in Lake Erie, not recorded elsewhere in the state. 
Recorded for Lake Erie by Le Sueur, 1817, by Kirtland, 1838 ; 
by Henshall, 1888, and by McCormick for Lorain County, Lake 
Erie, 1892; Sandusky, R. C. Osburn, 1899 and 1goo. 
