116 



Polygyra exoleta Binney. 



Northern Illinois (Calkins) ; La Salle Co. (Calkins, Huett, 

 Marsh) ; Cook Co. (Higley) ; Grand Tower, Jackson Co. (Wood- 

 ruff). 



Polygyra multilineata Say (= vars. alba and rubra Witter). 



Oregon, Ogle Co. ; Savanna, Carroll Co. (Baker); Northern 

 Illinois (Calkins): Cook Co. (Calkins, Higley, Jensen); La 

 Salle Co. (Calkins, Huett); Peoria Co. (Chase); Kendall Co. 

 (Ferriss) ; Joliet, Will Co.; Utica, La Salle Co. (Ferriss, Hand- 

 werk); Winnebago Co. (Hinkley); Elgin, Kane Co. (Jensen, 

 Nason); Knox Co. (Lyon); Mercer Co. (Marsh); Fulton Co. 

 (Wolf); Havana, Mason Co.; Bernadotte, Fulton Co. (State 

 Laboratory). 



Polygyra multilineata algonquinensis (Nason). 

 Algonquin, McHenry Co. (Nason). 



Polygyra palliata Say. 



Wabash Co. (Hinkley); Hamilton, Hancock Co. ; Union Co. 

 (Lyon) ; White Co. (Marsh) : Southern Illinois ( differs) ; Nor- 

 mal, McLean Co. : Cypress Swamp, Johnson Co ; Dug Hill, 

 Union Co. ; Golconda, Pope Co. -(State Laboratory). 



Polygyra appressa Say. 



Alton, Madison Co. (Ferriss); Washington and Jackson 

 counties (Hinkley); Albion, Edwards Co. (Hodgson); Hender- 

 son Co. (Marsh); Bernadotte, Fulton Co. (State Laboratory). 



Polygyra obstriota Say. 



White Co. (Marsh). 



Polygyra elevata Say. 



Vermilion Co. (Marsh) ; Spoon River, Fulton Co. (Strode); 

 Southern Illinois (Ulffers). 



Polygyra pennsylvanica Green. 



Northern Illinois (Calkins) ; La Salle Co. (Calkins, Huett); 

 Joliet, Will Co. (Ferriss, Handwerk); La Salle Co. (Ferriss, 

 Marsh ) : Washington and Jackson counties (Hinkley) ; Hamilton, 

 Hancock Co. (Lyon); Fulton Co. (Wolf). 



Polygyra thyroides Say. 



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

 ins) ; La Salle Co. (Calkins, Huett) ; Joliet, Will Co. (Ferriss, 

 Handwerk) ; Washington, White, and Hardin counties (Hink- 



