478 FISHERIES OF THE UNITED STATES, [92] 



Genus PANTOSTEUS Cope. 



94. Paaito§te«a$ platyrhynchus Cope. 



Minomus plalyrhynclms Cope, Proc. Amer. Philos. Soc. Phila., 1874, p. 

 134. 



Utah Lake. 



Jordan & Gilbert think this species doubtfully distinct 

 from Gatostomus generosus Girard. 

 30807. Utah Lake, Utah, June, 1882. Peter Madsen. 



Genus GATOSTOMUS Le Sueur. 



Subgenus Gatostomus Le Sueur. 



95. Catostomus tafeoeiisis Gill & Jordan. Lake Tahoe 



Sucker. 

 Known as yet from Tahoe Lake only. 

 This is a sucker of large size and great abundance. 



17109. Lake Tahoe, California. H. W. Henshaw. 



Subgenus Decactylus Pafinesque. 



9©. Catostomus CQmmersonii (Lac.) Jordan. Common Sucker 5 

 White Sucker; Brook Sucker; Fine scaled 

 Sucker. 



All streams from Labrador to Florida and westward to 

 the Pocky Mountains. 



This is not a good fish, and yet it is sold in large quan- 

 tities ; it grows to 18 inches in length, the average 

 size in Washington market being about one foot. 

 20344. Potomac River, April 13, 1876. Goode & Bean. 



Subgenus Hypentelium Pafinesque. 



9f. Catostomus mig'rseaias Le Sueur. Hoc Sucker; Stone 

 Poller ; Stone Lugger ; Banded Sucker ; Mud 



Sucker. 

 United States from New York to Florida and westward 



to Alabama and Kansas; Great Lake region. 

 The species is said to reach a length of 2 feet ; it has no 



value as food. 



10563. Ecorse, Michigan. J. W. Milner. 



Genus CHASMISTES Jordan. 



98. Ctiassiiistes liorus Jordan. June Sucker of Utah Lake. 



Eot yet known from any other waters than that named. 



This is an interesting Sucker of large size, reaching 18 



inches in length, and it is abundant in Utah Lake. 



28399. Utah Lake, Utah, June 1881. Peter Madsen. 



