_Records in the literature._--FLORIDA: _Alachua_: 10 mi. ENE Gainesville (Schwartz, 1956:18). _Brevard_: Merritt Island (Neill, 1958:6). _Broward_: Fort Lauderdale (Schwartz, _op. cit._:19). _Charlotte_: (Carr, 1940:107). _Clay_: Green Cove Springs (Brimley, 1910:18); St. John's River (Crenshaw and Hopkins, 1955:21); Doctor's Inlet (Schwartz, _op. cit._:18). _Collier_: Royal Palm Hammock (Crenshaw and Hopkins, _op. cit._:20); 11.2 mi. E Monroe Station (Schwartz, _op. cit._: 19). _Columbia_: (Carr, _loc. cit._). _Dade_: Paradise Key (Schwartz, _loc. cit._); Homestead (eggs, Stejneger, 1944:43). _Duval_: 4-10 mi. S Jacksonville (Deckert, 1918:31). _Glades_: _ca._ 8 mi. SW Okeechobee State Park. _Lake_: Alexander Springs (Schwartz, _op. cit._:18). _Lee_: 18 mi. S Fort Myers (Conant, 1930:63); 6 mi. SE Fort Myers (Hamilton, 1947:209). _Levy_: Gulf Hammock (Schwartz, _loc. cit._); Brownson (Stejneger, _op. cit._:42). _Monroe_ and _Okaloosa_ (Carr, _loc. cit._). _Okeechobee_: 6 mi. E Kissimmee River; state hwy. 78 "near" Okeechobee-Glades co. line. _Palm Beach_: SW part of Lake Okeechobee, near Clewiston; Milton Island Cove (Schwartz, _loc. cit._). _Pasco_: mouth Pithlachascotee River (Neill, _op. cit._:26). _Pinellas_: Belleair (Brimley, _loc. cit._); Seminole (Conant, _loc. cit._); 5 mi. E Clearwater (Schwartz, _op. cit._:19); Gulf Port (Stejneger, _op. cit._:43). _Polk_: Lake Shipp, near Winter Haven (Telford, 1952:185). _Sarasota_: 15 mi. E Sarasota (Conant, _loc. cit._); Venice (Conant, _op. cit._:61). _Taylor_: "near" Foley. _Wakulla_: "near" Crawfordville (Crenshaw and Hopkins, _op. cit._:15). GEORGIA: _Baker_: 5 mi. NW Newton, 5 mi. W Newton, 4 mi. N Newton. _Ben Hill_: 6 mi. E Fitzgerald (Crenshaw and Hopkins, 1955:15). _Bulloch_: 14 mi. SE Statesboro (Schwartz, 1956:19). _Decatur_: "near" Bainbridge (Crenshaw and Hopkins, _loc. cit._). _Emanuel_: "near" Midville. _Evans_: 8 mi. NE Manassas, Tattnall County. _Ware_: Laura Walker State Park (Schwartz, _loc. cit._). _Wilcox_: 3 mi. SE Forest Glen (Crenshaw and Hopkins, _op. cit._:19). SOUTH CAROLINA: _Beaufort_: 7 mi. NE Gardens Corner (Schwartz, 1956:19). _Chatham_: Savannah River at Savannah (Schwartz, _op. cit._:8-9). _Colleton_: 5 mi. from Whitehall, Combahee River (Schwartz, _op. cit._:19). =Trionyx spinifer= Lesueur Spiny Softshell _Range._--In Canada, southern Ontario and Quebec; in the United States, northwestern Vermont and western New York south to northern Florida, east to central Montana, eastern Wyoming and Colorado, and New Mexico; introduced into the Colorado River system of California, Nevada, Arizona and New Mexico; in México, the northern part of the states of Tamaulipas, Nuevo León, Coahuila, and eastern Chihuahua (see map, Fig. 19).