CHECK-LIST OF NORTH AMERICAN FISHES. 245 



350. Algansea tarascorum Steindachner. 



Lake Patzcnaro, Mexico. 



Algansea tarascorum Steindachner, Einige Fischarten Mexico's, 11, pi. 3, 

 figs. 2-2c, Lake Patzcuaro, near City of Mexico. 



351. Algansea dugesi Bean. 



Central Mexico, in streams tributary to Rio de Lerma. 



Algansea dugesi Bean, Proc. U. S. Nat. Mus. 1892, 283, Lake Yuriria, Guan- 

 ajuato, Mexico. 



352. Algansea sallaei (Giintber). 



Streams of central Mexico. 



Ceratichthys sallwi Giintber, Cat., vii, 481, 1868, Cuernavaca, Mexico. 



Genus 108. HYBOGNATHUS Agassiz. 

 Sylognathus Agassiz, Am. Jour. Sci. Arts 1855, 223 (nuchalis). 



Subgenus HYBOGXATHUS Agassiz. 



353. Hybognathus nuchale Agassiz. Silver i/ Minnow; Gudgeon. 



Clear streams from Delaware and Neuse rivers to Nebraska and southward 



to Georgia and Texas. 

 Hybognathus nuchalis Agassiz, Am. Jour. Sci. Arts 1855, 224, Quincy, Illinois. 



353a. Hybognathus nuchale evansi (Girard). 

 Upper Missouri Basin 

 Hybognathus evansi Girard, Proc. Ac. Nat. Sci. Phila. 1856, 182, Fort Pierre, 



Nebraska. 



354. Hybognathus argyrite Girard. 



Upper Missouri region and Red River of the North. 



Hybognathus argyritis Girard, Proc. Ac. Nat. Sci. Phila. 1856, 182, Milk River. 



355. Hybognathus hayi Jordan. 



Lower Mississippi Valley and neighboring rivers in Mississippi. 

 Hybognathus hayi Jordan, Proc. U. S. Nat. Mus. 1884, 548, Pearl River, Miss. 



Subgenus DIO\DA Girard. 

 Dlonda Girard, Proc. Ac. Nat. Sci. Phila. 1856, 177 {episcopa). 



356. Hybognathus serenum (Girard). 



Rivers of western Texas. 



Dionda serena Girard, Proc. Ac. Nat. Sci. Phila. 1856, 177, Sabinal River, Texas. 



357. Hybognathus episcopum (Girard). 



Rivers of western Texas and northeastern Mexico from Rio Comal to Rio 



Grande. 

 Dionda episcopa Girard, Proc. Ac. Nat. Sci. Phila. 1856, 177, headwaters of 



Pecos River, and Comanche Spring, tributary to Rio Grande, Texas. 



358. Hybognathus nubilum (Forbes). 



Western Illinois, west to Wyoming and southwest to the Ozark region. 

 Alburnops nubilus Forbes, Bull. 111. Lab. Nat. Hist., ii, 56, 1878, Rock River, 

 Ogle County, Illinois. 



359. Hybognathus aniaruni (Girard). 



Rio Grande Basin. 



Algoma ainara Girard, Proc. Ac. Nat. Sci. Phila. 1856, 180, lagoon near Fort 

 Brown, Texas. 



360. Hybognathus melanops (Girard). 



Streams of Coahuila, Chihuahua, and Nuevo Leon, Mexico. 

 Dionda melanops Girard, Proc. Ac. Nat. Sci. Phila. 1856, 178, Bueua Vista, 

 Coahuila, Mexico. 



361. Hybognathus plumbeum (Girard). 



Tributaries of Arkansas River in Indian Territory. 



Dionda plumbea Girard, Proc. Ac. Nat. Sci. Phila. 1856, 178, Canadian River. 



