CHECK-LIST OF NORTH AMERICAN FISHES. 245 



350. Algansea tarascorum ,'^teindachner. 



Lake Patzonaro, Mexico. 



Algansea tarascorum Steindacliner, Einige Fiscliarten Mexico's, 11, jil. 3, 

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



351. Algansea dugesi Beau. 



Central Mexico, in streams tributary to Rio de Lerma. 



Algansea dugesi Beau, Proc. \J. S. Nat. Mus. 1892, 283, Lake Yuriria, Guan- 

 ajuato, Mexico. 



352. Algansea sallaei (Giiuther). 



Streams of central Mexico. 



Ceratiehthi/s saUa'i Giiuther, Cat., vii, 484, 1868, Cueruavaca, Mexico. 



Genus 103. HYBOGNATHUS Agassiz. 

 Hyhognathns Agassiz, Am. Jour. Sci. Arts 1855, 223 (niichalis). 



Subgenus HYBOGXATHUS Agassiz. 



353. Hybognathus iiuchale Agassiz. Silverij Minnow; Gudgeon. 



Clear streams from Delaware and Neuse rivers to Nebraska and southward 



to Georgia and Texas. 

 Hybognathus nuchalis Agassiz, Am. Jour. Sci. Arts 18.55, 224, Quincy, Illinois. 



353a. Hybognathus nuchale evausi (Girard). 

 LTpper ^lissouri Basin 



Hybognatlnis eiY»iSi Girard, Proc. Ac. Nat. Sci. Phila. 1856, 182, Fort Pierre, 

 Nebraska. 



3,54. 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 DIOXDA Girard. 



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



356. Hybognathus serenuni (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. 

 Alburiiops nnhiliis Vovhes,Bu\l.l\l. Lab. Nat. Hist., il, 56, 1878, Rock River, 

 Ogle County, Illinois. 



359. Hybognathus amarum (Girard). 



Rio Grande Basin. 



Algonia amara Girard, Proc. Ac. Nat. Sci. Phila. 1856, 180, lagoon near Fort 

 Brown, Texas. 



360. Hybognathus melanops (Girard). 



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

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

 Coahnila, Mexico. 



361. Hybognathus plumbeum (Girard). 



Tributaries of Arkansas River in Indian Territory. 



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



