CHECK LIST OF FISHES OF THE DOMINION. 59 



139. Catostomus macrocheilus Girard. 

 Columbia River Sucker. 

 Lacustrine and fluviatile. 



Kootenay Lakes; Shushway Lake, Sicamous; and Thompson River, Kamloops; British 

 Columbia: Columbia River basin, and rivers and lakes of the States of Oregon, Wash- 

 ington, Idaho, and Montana. 



140. Catostomus commersonii Lacepede. (Plate VIII, figures 70 and 71). 

 Common White Sucker. 



Lacustrine and fluviatile. 



Very cosmopolitan in British North America, from the Maritime Provinces, Gaspe District, 

 and Labrador, to Alberta: in the United States extending from the eastern States 

 westward to Montana and Colorado and southward to Georgia: recorded from Hudson 

 Bay (Pennant, 1788, as the Namapeth). 



141. Catostomus nigricans Le Sueur. 

 Stone Roller: Black Sucker. 

 Lacustrine and fluviatile. 



Great Lakes region, including Lake of the Woods: in the United States extending from the 

 State of New York to Minnesota and Kansas westward, and to the Carolinas and 

 Arkansas southward. 



142. Erimyzon sucetta oblongus Mitchill. 

 Chub Sucker. 



Lacustrine and fluviatile. 



Mentioned in "List of the Fishes of Nova Scotia" (Jones, 1879); tributaries of lower St. 

 John River, New Brunswick* (Cox, 1895, after Adams) ; St. Lawrence River and tribu- 

 taries (Fortin, 1865, as Catostomus tuberculatus) ; and Great Lakes region: in the United 

 States extending from Maine westward to the Dakotas, and southward to Virginia 

 and Oklahoma: "gradually passing southward into the typical sucetta" (Jordan and 

 Evermann.) 



143. Minytrema melanops Rafinesque. 

 Spotted Sucker. 



Lacustrine and fluviatile. 



Great Lakes region: southeastward to North Carolina and south westward to Texas: given 

 here owing to its occurrence in the Great Lakes. 



144. Moxostoma anisurum Rafinesque. 

 White-nosed Red Horse. 

 Lacustrine and fluviatile. 



St. Lawrence River; Great Lakes region, including Lake of the Woods; and Manitoba: 

 Youghiogheny River, Pennsylvania (Cope 1870, as Ptychostomus velatus): Ohio River 

 (Rafinesque, 1820, as Catostomus anisurus). 



*Dr. Cox considers this species to be extinct in New Brunswick, not having seen it for some thirty years. He 

 regards the green pike {Lucius reticulatus) as being the cause of its disappearance. 



