93 



Amnicola limosa parva Lea. 



Joliet, Will Co. (Ferriss, Handwerk) ; Cook Co. (Higley, Jen- 

 sen) ; Seifert, Ferry Co. (Hinkley) ; Salt Creek, Cook Co. (Jen- 

 sen) ; Northern Illinois; Mercer Co. (Marsh) ; Fox River, Al- 

 gonquin, McHenry Co. (Nason) ; Pistakee, Cedar, Long, and 

 Fox lakes, Lake Co. ; Quiver Lake, and Illinois River, Havana, 

 Mason Co. ; Thompson's and Flag lakes, Fulton Co. ; Drew Pond, 

 two miles from Wabash River, White Co. ; Lake Michigan, Chi- 

 cago, Cook Co. ; Urbana, Champaign Co. (State Laboratory). 



Amnicola limosa pallida Haldeman. 



Kankakee River (Ferriss) ; Silver Lake, McHenry Co. (Na- 

 son) ; Fox Lake, Lake Co. (State Laboratory). 



Amnicola lustrica Pilsbry. 



Cook Co. (Baker, Higley) ; Fox River (Calkins) ; Joliet, Will 

 Co. (Ferriss) ; Mason Co. (Hinkley) ; Crystal Lake, McHenry 

 Co. (Lyon); Silver Lake, Fox River, McHenry Co. (Nason); 

 Fox, Pistakee, Sand, Long, Cedar, and Slough lakes, Lake Co. ; 

 Quiver and Matanzas lakes, and Illinois River, Havana, Mason 

 Co. ; Lake Michigan, Chicago, Cook Co. (State Laboratory). 



Amnicola pilsbryi Walker. 



Rockford, Winnebago Co. (Hinkley) ; Winnebago Co. (Marsh) ; 

 Sand and Fox lakes, Lake Co. (State Laboratory). 



Amnicola walker i Pilsbry. 



Joliet, Will Co. (Ferriss); Fox River, Algonquin, McHenry 

 Co. (Nason); Long Lake, Lake Co. (State Laboratory). 



Amnicola declsa Haldeman. 

 Fulton Co. (Wolf). 



Subgenus Cincinnati^ Pilsbry. 

 Amnicola Cincinnati en sis Lea (= say ana Anthony). 



Cook Co. (Baker, Calkins, Jensen) ; Northern Illinois (Calk- 

 ins) ; Joliet, Will Co. ; Du Page River (Ferriss) ; Pecatonica 

 River, Winnebago Co.; Little Wabash River; Big and Little 

 Muddy rivers ; Ohio River ; Du Bois, Washington Co. ; Elizabeth- 

 town, Hardin Co.; Mason Co. (Hinkley); Peoria Co. (Marsh) ; 

 Algonquin, McHenry Co. (Nason); Fulton Co. (Wolf); Cedar, 

 Pistakee, and Fourth lakes, Lake Co. ; Quiver and Matanzas 

 lakes, and Illinois River, Havana, Mason Co. ; Lake Michigan, 

 Chicago, Cook Co. ; McHenry Co. ; Crystal Lake, Urbana, ('ham- 



