INDIANA: _Brown_: 1 mi. below Helmsburg (Myers, 1927:339). _Clay_: Eel River (Kirsch _in_ Stejneger, 1944:45). _Franklin_: (Hughes _in_ Stejneger, _loc. cit._). _Jasper_: Jasper-Pulaski Game Preserve (Swanson, 1939:690). _Jefferson_: Madison (Myers, _loc. cit._). _Marion_: Irvington (Stejneger, _op. cit._:55). _Marshall_: 2 mi. NW Culver (KKA). _Monroe_: Bloomington (McLain _in_ Stejneger, _op. cit._:45). _Newton_: Lake Village (Stille and Edgren, _loc. cit._). _Posey_: Wabash River at New Harmony (Lesueur, 1827:257). _Starke_: Grant (Stille and Edgren, _loc. cit._). _Steuben_: Fish Creek "near" Hamilton (Stejneger, _op. cit._:53). _County unknown_ (Knox or Starke): USNM 72387, Knox (Stejneger, _op. cit._:55); "White Water valley," east-central part of state (Butler, 1894:224). USNM 8359 (= _Trionyx spinifer asper_) has been erroneously recorded from Madison, Indiana, by Yarrow (1882:29) and Hay (1892:145); see discussion by Cahn (1937:200) and Stejneger, (_op. cit._:73, 75). KENTUCKY: _Edmonson_: Green River, Mammoth Cave National Park (Hibbard, 1936:281). _Fleming_: Fox Creek (Welter and Carr, 1939:130). _Jefferson_: (Funkhouser, 1925:71). _Morgan_: (Stejneger, 1944:54). _County unknown_: Ohio and Pond rivers (Funkhouser, _loc. cit._). MICHIGAN: _Berrien_: mouth of St. Joseph River at St. Joseph (Lagler, 1943:303). _Eaton_: Brookfield; Olivet (Clark _in_ Ruthven, Thompson and Thompson, 1912:133). _Genesee_: (Miles _in_ Ruthven, Thompson and Thompson, _loc. cit._). _Iosco_: (Lagler, 1943:283, symbol on map). _Kent_: (Lagler, _loc. cit._). _Montcalm_: (Clark _in_ Ruthven, Thompson and Thompson, _loc. cit._). _Muskegon_: Muskegon River "near" Muskegon (Lagler, _op. cit._:303). _Van Buren_: Reynolds Lake, 2.5 mi. E Lawrence (Edgren, 1942:180). MISSISSIPPI: _De Soto_: Lake Cormorant (Stejneger, 1944:55). _Holmes_: Thornton (Cook, 1946:185). _Humphreys_: Belzoni (Stejneger, _loc. cit._). _Sunflower_: _Warren_: Vicksburg, Eagle Lake (Cook, _loc. cit._). _Washington_: Lake Washington (Smith and List, 1955:125); Greenville (Stejneger, _loc. cit._). NEW YORK: _Albany_: Hudson River at Albany (DeKay, 1842:7); Mohawk River at Cohoes (Eights _in_ Bishop, 1923:120). _Cattaraugus_: Allegheny River and Red House Lake in Allegheny State Park (Eaton, 1945:115). _Chautauqua_: Lake Chautauqua (DeKay, _loc. cit._). _Monroe_: Braddocks Bay and Long Pond on Lake Ontario (Wright, 1919:8). _Saratoga_: Hudson River near Baker's Falls (restricted locality, Rafinesque, 1832:64). _County unknown_: Lake Cayuga; Mohawk River (DeKay, _loc. cit._).