38 BULLETIN OF THE BUREAU OF FISHERIES. 
Family PERCIDA. 
38. Percina caprodes (Rafinesque). Log Perch. 
Elk Creek, near Quiet Dell; Stonecoal Creek, between Buckhannon and Weston; Ten-mile Creek, 
at Lumberport; West Fork of Monongahela, at Weston; Dry Fork of the Tug, at Barrenshe and at Ieager; 
Guyandotte River, at Baileysville. 
39. Hadropterus macrocephalus (Cope). 
Cheat River, at Raines; Shavers Fork of Cheat; Elk Creek, at Quiet Dell. 
40. Hadropterus aspro (Cope & Jordan). Black-sided Darter. 
Elk Creek, at Quiet Dell; Hackers Creek, near Jane Lew; Sand Run, 2 miles above Buckhannon; 
Stenecoal Creek, between Buckhannon and Weston; Ten-mile Creek, at Lumberport; West Fork of the 
Monongahela, at Weston; Trubies Run, 7 miles above Buckhannon. 
41. Ulocentra stigmea (Jordan). Speck. 
Cheat River, at Ises Ferry. 
42. Diplesion blennioides (Rafinesque). Green-sided Darter. 
Doughertys Run, near Albright; Dry Fork, at Harman; Elk Creek, near Quiet Dell; Muddy Creek, 
near Albright; Shavers Fork of Cheat River; West Fork of the Monongahela; East River, near Ingle- 
side; Greenbrier River, 8 miles above Hinton; Horsepen Creek, near Horsepen, Va.; Indian Creek, 
tributary of New River, near Greenville; Clear Fork, at Rocky Gap, Va. 
43. Boleosoma nigrum (Rafinesque). Johnny Darter. 
Elk Creek, near Quiet Dell; Hackers Creek, near Jane Lew; Sand Run, 2 miles above Buckhannon; 
Stonecoal Creek between Buckhannon and Weston; Ten-mile Creek, at Lumberport; Trubies Run, 7 
miles above Buckhannon; West Fork of Monongahela, at Weston; Dry Fork of Tug, at Iaeger; Horsepen 
Creek, near Horsepen, Va. 
44. Etheostoma zonale (Cope). 
Obtained only in Elk Creek, near Quiet Dell, the location from which the greater number of darters 
taken were secured. 
45. Etheostoma flabellare Rafinesque.. Fan-tailed Darter. 
Elk Creek, at Quiet Dell; Greenbrier River, near Durbin; Kings Run, between Beverly and Elkins; 
Left-hand Fork of Middle Fork of Valley River, at Cassiday; Riches Run, between Beverly and Elkins; 
Valley River, at Huttonsville and at Mingo; West Fork of Greenbrier; Big Stony Creek, near Bargers 
Spring; Brush Creek, near Princeton; Indian Creek, a tributary of New River, near Greenville; Madams 
Creek, across New River from Hinton; Rich Creek, at Spanishburg. 
Family COTTIDA. 
46. Cottus ictalops (Rafinesque). Blob; Muffle-jaw. 
Cheat River, at Cheatbridge and at Raines; Doughertys Run, near Albright; East Fork of the Glady; 
West Fork of Glady; Greenbrier River, at Durbin; Harringtons Creek, near mouth of Little Youghiogheny 
River; Kings Run, between Beverly and Elkins; Laurel Fork of Cheat River, near Seneca Route Crossing; 
Left-hand Fork of Middle Fork of Valley River, at Cassiday; Muddy Creek, near Albright; Trubies Run, 
7 miles above Buckhannon; Valley River, at Mingo; Right-hand Fork, at Queens; Gandy River, at 
Osceola; Elk River, at Cogars Mill; East River, at Ingleside. 
ANNOTATED LIST OF THE SPECIES COLLECTED IN THE POTOMAC BASIN. 
Family CATOSTOMIDE. 
1. Catostomus commersonii (Lacépéde). White Sucker. 
Big Run, 1 mile above Circleville; Middle Fork of Potomac, near Crabbottom, Va.; Nydegger Run, 
at Gorman, Md.; Potomac River, 1 mile below Bayard, Md.; North Fork of Potomac, at mouth of 
Seneca. 
2. Catostomus nigricans Le Sueur. Hog Sucker. 
Big Run, 1 mile above Circleville; North Fork of the Potomac, 5 miles above Circleville; North 
Fork of the Potomac, at mouth of Seneca Creek. 
