244 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 



Genus 102. ORTHODON Girard. 



Orthodon Girard, Proc. Ac. Nat. Sci. Phila. 1856, 182 (microlepidota). 



341. Orthodon microlepidotus (Ayres). Blackfish. 



Lower Sacramento and San Joatiuin rivers. 



Gila microlepidota Ayres, Proc. Cal. Ac. Sci., I, 1855, 21, Sacramento and San 

 Joaquin rivers, California. 



Genus 103. OXYGENEUM Forbes. 



Oxygeneum Forbes, Bull. 111. Lab. Nat. Hist., ii, 136, 1885 {pulveruJentum). 



342. Oxygeneum pulverulentum Forbes. 



Illinois River. 



Oxygeneum pulverulentum Forbes, Bull. 111. Lab., ii, 136, 1885, Illinois River. 



Genus 104, ACROCHEILUS Agassiz. Chisel-mouths. 



Acrocheilus Agassiz, Am. Jour. Sci. Arts 1855, 211 (alutaceus). 



343. Acrocheiltis alutaceus Agassiz & Pickering. Chisel-mouth; Sfpiare-mouth; 



Hard-mouth. 

 Lower Columbia River, as far up as Spokane and Shoshone Falls. 

 Acrocheilus alutaceus Agassiz Sc Pickering, Am. Jour. Sci. Arts, xix, 1855, 



214, Willamette Falls and Walla Walla River, Oregon. 



Genus 105. LAVINIA Girard. 

 Lavinia Girard, Proc. Ac. Nat. Sci. Phila. 1854, 137 (exilicauda). 



344. Lavinia exilicauda Baird & Girard. Hitch; Chi. 



Streams of the Coast Range about San Francisco and Monterey ; locally com- 

 mon as far north as Clear Lake, California. 



Lavinia exilicauda Baird &. Girard, Proc. Ac. Nat. Sci. Phila. 1854, 137, 

 Sacramento River, California. 



Genus 106. CHROSOMUS Rafinesque. 



Chrosomus Rafinesque, Ichth. Ohiensis, 47, 1820 (erythrogasier). 



345. Chrosomus erythrogaster Rafinesque. Bed-bellied Dace. 



New Brunswick to Ohio, Michigan, Iowa, and northern Alabama. 

 Chrosomus erythrogaster Rafinesque, Ichth. Ohiensis, 47, 1820, Ohio River. 



345a. Chrosomus erythrogaster eos Cope. 

 Susquehanna River. 



Chrosomus eos Cope, Proc. Ac. Nat. Sci. Phila. 1861, 523, Meshoppen Creek, 

 Susquehanna County, Pennsylvania. 



346. Chrosomus dakotensis Evermann & Cox. 



Missouri River basin in Nebraska and South Dakota. 



Chrosomus dakotensis Evermann &■ Cox, Report U. S. Fish Com. 1894 (1896), 

 395, Crow Creek, Chamberlain, South Dakota. 



347. Chrosomus oreas Cope. 



Headwaters of Roanoke River, and clear tributaries of the Tennessee River. 

 Chrosomus oreas Cope, Jour. Ac. Nat. Sci. Phila. 1868, 233, head of Roanoke 

 River, Montgomery County, Virginia. 



Genus 107. ALGANSEA Girard. 



Algansea Girard, Proc. Ac. Nat. Sci. Phila. 1856, 184 {tincella). 



348. Algansea tincella (Cuvier & Valenciennes). 



Lakes about the City of Mexico. 



Leuciscus tincella Cuvier & Valenciennes, Hist. Nat. Poiss., xvii, 323, 1844, 

 City of Mexico. 



349. Algansea lacustris Steindachner. 



Lake Patzcuaro, Mexico. 



Algansea lacnstris Steindachner, Einige Fischarten Mexico's, 10, jil. 3, figs. 

 1-lb, 1895, Lake Pfitzcuaro, near City of Mexico. 



