lis 



McHenry Co. ; Chicago, Cook Co. ; Canton, Fulton Co. (Nason) ; 

 Southern Illionis (Ulffers); Fulton Co. (Wolf); Grand Tower, 

 Jackson Co. (Woodruff) •, Makanda, Jackson Co. (State Labora- 

 tory). 



Family ACHATINIDJi. 



Genus Opkas Albers. 



Opeas mauritianum Pfeiffer. 



Garfield Park greenhouse, Chicago, Cook Co. (Hood, Zetek). 



Superfamily Agnatha. 

 Family TESTACELLID^E. 



Genus Testacella Cuvier. 



Testacella haliotidea Ferussac. 



Chicago, in greenhouses, Lincoln Park (Baker). 



Superfamily Agnathomorpha. 



Family CIRCINARILDiE. 



Genus Circinarta (Beck) Pilsbry. 



Circinaria concava Say. 



Oregon, Ogle Co. ; Evanston, Cook Co. (Baker); Cook Co. 

 (Baker, Jensen, Nason); Northern Illinois (Calkins); La Salle 

 Co. (Calkins, Huett) ; Kankakee River, Joliet, Will Co.; Utica, 

 La Salle Co. (Ferriss) ; Kappa, Woodford Co. (Hart); Winne- 

 bago, White, and Jackson counties (Hinkley ) ; Hamilton Co. 

 (Lyon); Mercer Co. (Marsh); Athens, Menard Co. ; Canton, 

 Fulton Co. (Nason) ; Fulton Co (Wolf) ; Grand Tower, Jackson 

 Co. (Woodruff); Urbana, Champaign Co. (State Laboratory ). 



Superfamily Atjlacopoda. 



Family ZONITID^E. 



Subfamily ZONITIN-flS. 



Genus Omphaltna Rafinesque. 



Omphalina fuliginosa Griffith. 



Maywood, Cook Co. (Higley) ; Williamson Co. (Hinkley) ; 

 Cobden, Union Co. (Lyon) ; Gallatin < 'o. (Marsh) ; Grand Tower, 

 Jackson Co. (Woodruff). 



