402 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 



under side of caudal peduncle and on to caudal fin ; fins all more or less 

 dusted with fine dark points. The only species with which this fish is likely 

 to be confused are the closely related species N. heterodon and X. anogenus. 

 These three species bear a very close superficial resemblance to each other. 

 They were first critically compared and their differential characters pointed 

 out by Dr. Meek in his Fishes of the Cayuga Lake Basin. The following 

 key will enable one to distinguish them : 



a. Black of nose not extending to lower lip ; snout blunt, mouth small, sub- 



inferior, little oblique caynga. 



aa. Black of nose upon lower lip as well as upon upper. 



b . Snout sharp ; mo uth large, oblique, the lower jaw scarcely included . heterodon. 

 bb. Snout more blunt; mouth very small, very oblique anogenus. 



A comparison of our specimens of cay uga with others from northern Indiana 



shows no marked differences. 



53. Notropis heterodon (Cope). Smoky Hill River, Wallace, Kans. (as V. germanus 



type, Hay, 1887) ; Silver Lake, Iowa (Meek, 1892). 



54. Notropis blennius (Girard). Missouri River at St. Joseph (as Rybopsis mis- 



suriensis type, Cope, 1874) ; Ward Creek, Shawnee County, Kans. (as Cliola 

 straminea, Gilbert, 1884) ; Hundred and Two River at Bedford, Iowa, and 

 Mary ville, Mo. ; Missouri River, St. Joseph ; Tabo Creek, Lexington, Mo. ; 

 Blackwater Creek, Brownsville, Saline County, Mo. ; Flat Creek, Sedalia, 

 Mo. ; Grand River, Clinton, Mo. ; Tabo Creek, Calhoun, Mo. (as X. delicioaus, 

 Jordan & Meek, 1885) ; Kansas River branches (as X. deliciosa, Graham, 1885) ; 

 Piney River, Texas County, Mo. (as X. delicioaus, Call, 1887); Solomon River, 

 Beloit, Kans. ; north fork of Solomon River at Kirwin and Lenora, Kans. ; 

 Saline River, Wakeeney, Kans. ; Smoky Hill River, Wallace, Kans. (as JV. 

 delicioaus, Hay, 1887) ; Republican River, Wano, Kans. ; Sappa Creek, Oberlin 

 Kaus. ; Logan, Kans. ; Middle Beaver Creek, Smith County, Kans. ; Spring 

 Creek, Smith Center, Kans. ; Osage River, La Cygne, Kans. (as X. deliciosus 

 lineolatus, Gilbert, 1889) ; Sac River, Springfield, Mo. (as X. delicioaus, Meek, 

 1891) ; Big Sioux River at Sioux Falls and Sioux City ; Boyer River at Arion, 

 Iowa (as X. deliciosus, Meek, 1892); Platte and Elkhorn rivers at Fremont; 

 Blue River at Crete; Salt Creek at Lincoln; aud Floyd River at Sioux City 

 and Lemars (Meek, 1894) ; Dakota River at Lamoure and Jamestown (Wool- 

 man, 1896). 



Found by us at the following places: Floyd River, Sioux City; Verdigris 

 Creek, Verdigris; Norfolk Creek, Norfolk Junction; Salt Creek, Havelock; 

 Chadron Creek, Chadron; Mud Creek, Ravenna; Schlegel Creek, Valentine; 

 Minnechaduza Creek, Valentine; Elkhorn River, Norfolk Junction; Elkhorn 

 River, Ewing ; Bazile Creek, Niobrara ; Long Pine Creek, Long Pine ; White 

 River, Chadron; canal at Niobrara; Niobrara River, Valentine; Niobrara 

 River, north of Long Pine; Wood Creek, Grand Island; South Loup River, 

 Ravenna; Lincoln Creek, York; Dismal River, Dunning; Middle Loup River, 

 Dunning; Beaver Creek, York; Ingalls Lake, Long Pine; Platte River, 

 Grand Island; White River, Crawford; Niobrara River, Marsland; Belle 

 Fourche River, Belle Fourche; Middle Creek, Belle Fourche; Cheyenne 

 River, Hot Springs; Cottonwood Creek, Edgemont; Hat Creek, Ardmore; 

 Rapid Creek, Rapid City; Beaver Creek, Buffalo Gap; Dakota River, 

 Mitchell; Crow Creek, Chamberlain; Redwater Creek, Spearfish; Deer 

 Creek, Glenrock; Platte River, Glenrock; Garden Creek, Casper; Platte 

 River, Douglas. 



This is one of the most abundant and widely distributed of the Cyprinidw. 

 it being found from the Great Lakes to Virginia, and westward to Wyoming 

 and south to Texas. It is subject to great variation, and many nominal 

 species have been based upon the differences in eye, snout, or scales pre- 

 sented by specimens from different parts of its range. None of these is, how 

 ever, worthy of specific recognition, though several of the more pronounced 

 forms may be recognized as subspecies. 



