82 



Higley); Northern Illinois (Calkins ); Illinois River (Calkins, 

 Handwerk, Marsh, Strode) ; Kane Co. (Engleholm) ; Kankakee 

 River (Ferriss, Handwerk) ; Mississippi River, Quincy, Adams 

 Co. (Hart) ; La Salle Co. ( Hnett) ; Spoon River (Kelly, Strode ) ; 

 Rock River (Kelly, Wis wall) ; Athens, Menard Co. (Nason); 

 Southern Illinois (differs). 



Quadrula granifera Lea. 



Oregon, Ogle Co. (Baker) ; Mercer Co. (Ferriss, Marsh) ; Wa- 

 bash and Little Wabash rivers (Hinkley); Rock River (Hink- 

 ley, Wiswall); Illinois River (Kelly); Mississippi River 

 (Marsh); Spoon River (Strode); Desplaines River, Cook Co. 

 (Zetek); Havana, Mason Co. (State Laboratory ). 



Order TELEODESMACEA. 



Superfamily Cyrenacea. 



Family SPHyERIID^E. 



Genus SphvErium Scopoli.* 

 Sphcerium vermontannm Prime. 



Cook Co. ( Baker, Lyon ) ; Hickory Creek, Will Co. (Ferriss); 

 Canton, Fulton Co. (Nason) ; Lake Michigan, Chicago, Cook Co. 

 (State Laboratory). 

 Sphcerium solid "linn Prime. 



Quincy, Adams Co. (Garman) ; Hardin Co. (Hinkley); Mer- 

 cer Co. ; White Co. (Marsh); Fulton Co. (Wolf); Lake Michi- 

 gan, Chicago, Cook Co. (State Laboratory). 



Sphcerium stamineum Conrad. 



Cook Co. (Baker, Calkins, Jensen) ; Hickory Creek, Will Co. ; 

 Kankakee Feeder (Ferriss); Du Page Co. (Gault) ; Lilycash 

 Creek, Will Co. (Handwerk); Quincy, Adams Co.; Kappa, 

 Woodford Co. ( Hart) ; Winnebago Co. ; Big Muddy, Little Wa- 

 bash, Ohio, and Saline rivers (Hinkley); McLean Co. (Marsh); 

 Elgin, Kane Co. ; Algonquin, McHenry Co. ; Canton, Fulton Co. 

 (Nason) ; Matanzas and Quiver lakes, Havana, Mason Co. ; Quin- 

 cy, Adams Co. ; Clay Co. ; Homer and Urbana, Champaign Co. ; 

 Thompson's Lake, Fulton Co. ; Peoria, Peoria Co. ; Cedar, Fox, 



*Sph& Hum Iriangulare Say is reported from Fulton Co. by Wolf, but this is an error 

 of identification, as iriangulare is a Mexican species. 



