HI 



sippi River (Calkins); Wabasii and Ohio rivers ( Hinkley) ; La 

 Salle Co. (Iliiett); Ohio liiver ( Marsh); Spoon and Illinois 

 rivers (Strode). 



QaiKlnthi cocf'incd Conrad ( = cati//i'.s Conrad). 



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

 and Du Page rivers (Ferriss) ; Illinois, Du Page, and Kankakee 

 rivers and Lilycash Creek, Will Co. ( Ilandwerk ) ; Kishwaukee, 

 Kock, and Pecatonica rivers ( Hinkley ) ; La Salle Co. ( Huett) ; 

 Mercer Co., Illinois River (Marsh); Fox River, Dundee, Kane 

 Co.; Algonquin, IMc.Ilenry Co. (Nason); Mt. Carmel, Wabash 

 Co. (Nelson); Spoon River (Strode); Fulton Co. (Wolf). 



(JiirnI nihi xolidd Lea ( = fulgidus Lea). 



Northern Illinois (Calkins); Illinois River (Calkins, Iland- 

 werk, Strode ) ; Kankakee River ( Ferriss, Ilandwerk, Marsh) ; 

 Kishwaukee and Pecatonica rivers (Hinkley); La Salle Co. 

 (Huett); fiercer Co., ^Mississippi River (Marsh); Quincy, Ad- 

 ams Co. ( Nason ) ; Spoon River (Strode); Fulton Co. (Wolf); 

 Milan, Rock Island ('o. (State Laboratory). 



Quad nilfi pJenn Lea. 



Wabash River (Hinkley, Marsii). 

 Quadnila ptiram'uJafa Lea. 



Little Wabash River ( Hinkley ) : Ohio River ( Marsh ) ; Athens, 

 ^Menard Co. (Nason); Spoon and Illinois rivers (Strode); South- 

 ern Illinois ( Ultfers). 

 Quddriihi ,s/dj)'(>/uitd// Lea. 



Illinois l\iver ( ( 'ail ) ; Ohio River ( Marsh ). 



Qiiitd I'lihi chenti Lea. 



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

 Illinois ( Calkins) : Moline, Rock Island Co. (Call); Illinois Riv- 

 er, Utica, La Salle Co. (Ferriss, Handwerk ) ; Shawneetown, 

 Gallatin Co. (Fischer); (Quincy, Adams Co. (Hart, Nason); 

 Ohio, Wabash, and Little Wabash rivers (Hinkley); La Salle 

 Co. (Huett) ; Illinois and Spoon rivers (Kelly, Strode) ; Mercer 

 Co., Mississippi River (Marsh); Southern Illinois (Ulffers); 

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



Subgenus Rotwndar'ui ( Rafinesque) Simpson. 

 Qundviida tiiherculata Rafines(iue ( = rerrucosa Barnes). 



Savanna, Carroll Co. (Baker); Cook Co. (Baker, Calkins, 



