_Records in the literature._--ARKANSAS: _Garland_: Hot Springs (Combs and Hurter _in_ Strecker, 1924:47). _Jefferson_: Pine Bluff. _Pulaski_: Little Rock. _Sebastian_: Fort Smith (Hurter and Strecker, 1909:21). ILLINOIS: _Adams_: Quincy (Garman _in_ Cahn, 1937:179). _Alexander_: Horseshoe Lake (Cahn, _loc. cit._); Cairo (Garman _in_ Cahn, _loc. cit._). _Carroll_: 5 mi. S Savanna (Stejneger, 1944:24). _Clay_: Louisville. _Clinton_: Carlyle. _Crawford_: Robinson (Cahn, _loc. cit._). _Cumberland_: Embarrass River (Peters, 1942:183). _Fayette_: Vandalia. _Gallatin_: Shawneetown (Cahn, _loc. cit._). _Hancock_: between Warsaw and Hamilton (Stejneger, _op. cit._:23). _Jackson_: Murphysboro. _Jasper_: Newton. _Marion_: Centralia. _Mason_: Havana. _Massac_: symbol on map. _Menard_: Petersburg. _Peoria_: Peoria. _Randolph_: Chester (Cahn, _loc. cit._). _Richland_: Olney (Stejneger, _loc. cit._). _Rock Island_: Rock Island. _St. Clair_: East St. Louis (Cahn, _loc. cit._). _Union_: (Cagle, 1942a:199). _White_: Carmi. _Whiteside_: Sterling (Cahn, _loc. cit._). _Woodford_: Mackinaw Creek (Garman _in_ Cahn, _loc. cit._). INDIANA: _Carroll_: "near" Delphi (Agassiz, 1857:400). _Vigo_: Terre Haute (Blatchley, 1891:22). IOWA: _Des Moines_: "near" Burlington (Agassiz, 1857:400). _Dubuque_: Mississippi River, 8 mi. S Dubuque (Goldsmith, 1945:447). _Lee_: Keokuk (Stejneger, 1944:23). KANSAS: _Barber_: 5 mi. SE Lake City; Salt River, S of Aetna (Burt, 1935:321). _Cowley_: symbols on map (Smith, 1956:157). _Gray_: Arkansas River, 1 mi. W Cimarron (Clarke, 1956:215). _Leavenworth_: Missouri River, Fort Leavenworth (Brumwell, 1951:207-08). _McPherson_: Lindsborg (Breukelman and Smith, 1946:112). _Pratt_: State Fish Hatchery, "near" Pratt (Taylor, 1933:269). _Trego_: Wakeeney (Stejneger, 1944:24). KENTUCKY: _Fleming_: Fox. _Rowan_: Triplett (Welter and Carr, 1939:130). _County unknown_: Ohio River (Funkhouser, 1925:71). LOUISIANA: _De Soto_: Bayou Pierre (Strecker and Frierson, 1926:last page, no numbers). MINNESOTA: _Houston_: Brownsville (Breckenridge, 1944:183). _Winona_: Homer (Stejneger, 1944:23). MISSISSIPPI: _Warren_: Vicksburg (Cook, 1946:185). MISSOURI: _Jackson_: Fry's Lake (Anderson, 1942:219). _Jefferson_: Meramec River (Boyer and Heinze, 1934:199). _County unknown_: Osage River (Agassiz, 1857:400). NEBRASKA: _Franklin_: 1/2 mi. S Franklin; 1 mi. SE Naponee. _Furnas_: 4 mi. E Cambridge. _Lancaster_: Lincoln. _Nemaha_: Peru. _Thayer_: (Hudson, 1942:102). _Thomas_: (Smith, 1958:36). NEW MEXICO: _San Miguel_: Conchos River above Conchos Dam (Shields and Lindeborg, 1956:120).