114 r. S. BUREAU OF FISHERIES 



806. Ptychocheilus oregonensis (, Richardson). Squaicfish; Chappaul; White- 



fish. 

 Rivers of Oregon and Washington, in the Columbia Basin to Montana 



and Idaho, and northward to British Columbia. 

 Cyprinus {Leuciscus) oregonensis Richardson, Fauna Bor.-Amer., 



Ill, 1836, 305. Columbia River. 

 Ptychocheilus gracilis Agassiz, Amer. Jour. Sci. Arts. XIX, 1S55, 229, 



Willamette River. 



807. Ptychocheilus grandis (Ayres). Sacramento pike; Sacramento squawfish. 



Rivers of California and southeastern Oregon; Pit River. 



Gila grandis Ayres, Proc. Calif. Acad. Xat. Sci., I, 1854, 18, San Fran- 

 cisco. 



Ptychocheilus major Agassiz, Amer. Jour. Sci. Arts, XIX, 1855, 229, 

 San Francisco. 



Ptychocheilus harfordi Jordan and Gilbert, Proc. U. S. Xat. Mus., IV, 

 1881, 72, Sacramento River; scales 90 to 95, a variant with smaller 

 scales. 



808. Ptychocheilus lucius Girard. White salmon of the Colorado; Colorado 



River squaicfish. 

 Colorado River Basin, in all larger streams from Rio Uncompahgre to 



the Gulf of California; largest of American Cyprinidx, reaching 80 



pounds. 

 Ptychocheilus lucius Girard, Proc. Acad. Xat. Sci. Phila., VIII, 1856, 209, 



Rio Colorado. 



809. Ptychocheilus umpquas Snyder. 



Coastal streams of Oregon. 



Ptychocheilus umpqus Snyder, Bull. U. S. Bur. Fish., XXVII, 1907 

 (1908), 170, fig. 2, in part, Callopooia Creek, Oakland, Oreg. 



Genus 300. GILA Baird and Girard. 



Gila Baird and Girard, Proc. Acad. Xat. Sci. Phila., VI, 1853, 368 

 \G. rohusta Baird and Girardj. 



810. Gila elegans Baird and Girard. Bony-tail; Gila trout; Verde trout. 



Colorado and Gila Rivers; abundant in river channels. 



Gila elegans Baird and Girard, Proc. Acad. Xat. Sci. Phila., VI, 1853, 



369, Zuni, Colorado, and Gila Rivers. 

 Gila emoryi Baird and Girard, loc. cit., 388, Gila River. 



811. Gila robusta Baird and Girard. Roundtail. 



Tributaries of the Rio Colorado and Rio Gila; very common up to the 

 foot of the mountains in Colorado. 



Gila rohusta Baird and Girard, Proc. Acad. Xat. Sci. Phila., VI, 1853, 

 368, Zuni River. 



Gila gracilis Baird and Girard, loc. cit., 360, Zuni River. 



Gila grahami Baird and Girard, loc. cit., 389, Rio San Pedro, tributary 

 to Rio Gila. 



Ptychocheilus rorax Girard, loc. cit., 1856, 209, locality unknown. 



Leuciscus zunnensis Giinther, Cat., VII, 1868, 241, Zufii River; sub- 

 stitute for gracilis, preoccupied in Leuciscus. 



Gila affinis Abbott, Proc. Acad. Xat. Sci. Phila., XII, 1860, 474, prob- 

 ablv erroneouslv ascribed to Kansas River. 



Gila nacrea Cope," Hayden's Geol. Surv. Wyo., 1870 (1871), 441, tribu- 

 tary of Green River, Wyo.; young, perhaps of G. elegans. 



812. Gila seminuda Cope and Yarrow. 



PlIo Virgeii, in Utah and Xevarla. 



Gila seminuda Cope and Yarrow, Wheeler's Surv., Zool., V, 1875, 666, 

 Rio Virgen, Xev. 



813. Gila minacae Meek. 



Strr-arn.s fjf Chihuahua, Mexico. 



Gila minocif Meek, Field Col. Mus., Zool., Ill, May, 1902, 80, Rio 

 Paphigochic, Mifiaca, Chihuahua, Mex. 



Genus 301. NOTEMIGONUS Rafinesque. 



Xotemigonas Rafir.esf|ue, Jour. Phys., LXXXVIII, 1819, 420, (AT. 



auratus Rafine.sque = C'/y7>rinu.s- crysoleucas Mitchill). 

 Hemiplus Rafinesque, Anal. Nat., I, 1820, 6 {H. lacustris Rafinesque). 



