144 t:. S. BttREAU OF FISHERIES 



1081. Hybognathus argyritis Girard. 



Upper Missouri region and Red River of the North. 

 Hybognathiis argyritis Girard, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 

 182, Milk River, Mont. 



1082. Hybognathus hayi Jonhm. 



Lower Mississippi Vallev and neighboring rivers in Mississippi. 

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

 River, Jackson, Miss.; this and three preceding are all very close to 



Hybognath us n uchalis. 



Genus 355. DIONDA Girard. 



Dionda Girard, Proc. Acad. Nat. Sci. Phila.; VIII, 176 {D. episcopa 



Girard) . 

 Algnma Girard, loc, cit., 180 {A. amara Girard). 



1083. £>ionda episcopa Girard. 



Southern Texas and northern Me.xico; south to the Rio Mezquital in 



Durango and the Rio San Juan in Nuevo Leon. 

 Dionda episcopa Girard, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 177, 



headwaters of Pecos River and Comanche Spring, tributary to the 



Rio Grande, Tex. 

 Dionda terensis Girard, loc. cit., 177, Nueces River, Tex. 

 Dionda papalis Girard, loc. cit., 178, Delaware Creek, a tributary of 



Pecos River, Tex. 

 Dionda argentosa Girard, loc. cit., 178, San Felipe Creek and Devils 



River, tributaries of Rio Grande. 

 Dionda chrysitis Girard. loc. cit., 178, Live Oak Creek, a tributary of 



the Pecos. 

 Dionda couchi Girard, loc. cit., 178, Guajuco, Monterey, and Cadereita, 



Nuevo Leon. 

 Hybognathxis flavipinnis Cope, Bull. U. S. Nat. Mus., XVII, 1880, 36, 



Johnsons Fork of Llano River, Tex. 

 Hybognathus nigrotseniata Cope, loc. cit., 37, Wallace Creek, a tributary 



of Medina River, Tex. 

 Hybognathus (Dionda) punciifer Garman, Bull. Mus. Comp. Zool., VIII, 



1881, 89, Parras and spring near Saltillo, Mexico. 

 Hybognathus civilis Cope, Trans. Amer. Phil. Soc, 1884, 167, Monterey, 



Nuevo Leon. 



1084. Dionda serena Girard. 



Sabinal River, Tex. 



Dionda serena Girard, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 177, 

 Sabinal River, Tex. 



1085. Dionda amara (Girard) 



Near Fort Brown, Tex. 



Algoma amara Girard, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 180,, 

 Lagoon near Fort Brown, Tex. 



1086. Dionda melanops Girard. 



Coahuila, Mexico. 



Dionda melanops Girard, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 178,, 

 Buena Vista, Coahuila. 



1087. Dionda nubila (Forbes). 



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

 Alburnops nubilus Forbes, Bull. 111. Lai). Nat. Hist., I, 1878, 56, Rock 

 River, Ogle County, 111. 



1088. Dionda plumbea Girard. 



Tributaries of Arkansas River, in Oklahoma. 



Dionda plumbea Girard, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 178, 



Canadian River, Okla. 

 Dionda spadicea Girard, loc. cit., 178, Fort Smith, Ark. 

 Dionda grisea Girard, Pac. R. R. Surv., X, 1858, 230, PI. Lll, figs. 6-10, 



near Choctaw Agency. 



Genus 356. CERATICHTHYS Baird and Girard. 



Ceratidhys Baird and Girard, Proc, Acad. Nat. Sci. Phila., VI, 1853, 



391 (C. vigilax; misprinted Ceratidhys, not of Girard, 1856). 

 Cliola Girard, loc. cit., VIII, 1856, 192 {Ceratichthys vigilax Baird and 



Girard). 

 Hypargyrus Forbes, in Gilbert, Prac. U. S. Nat. Mus., VII, 1884, 200 



(Hybopsis tuditanus Cope). 



