la 



lu;! 



/.i/iini(lti ciil II iiwlhl Say. 



Cook Co. (Baker): Littlo Muddy Kiver, Dii Bois, Washiiii;- 

 toii Co.: I>o Soto, .lacksiii; ( 'o. (Iliiikley): McHenry Co. 

 (Marsh). 

 Lj/iiuuea coluniclln c/ikIijIjch (xould ( = ca.stti Lea). 

 Mercer Co. ( Marsli). 



Section Acillu H;iMfiiia;i. 

 Lyuinivfi hahJcmani Deslmyes ( = gi'dciliK ,lay). 

 Cedar Lake, Lake Co. (State Laboratory). 



Subi;eiuis (inlha Sclirank. 

 Ljliiniita iihrussfi Say ( = ilcxiijiaxa of authors, not of Say ). 



Cook Co. (Baker, Iliiiley ) : Northern Illinois (Calkins): L 

 Salle ('o. (Calkins, Hiiett) ; Joliet,Will Co. ( Ferris.?, Handwerk) ; 

 Desplaines River ( Ferriss) ; Mackinaw Kiver, Kappa, Woodford 

 Co. (Hart): Winnel)ai;o and Hardin counties (Hinkley ) : Mer- 

 cer and Will C(uinties (Marsh): Eliiin, Kane Co.: Fox I\iver, 

 Algonquin and Silver Lake, McHenry Co. (Nason ) : Fultf)n Co. 

 (^^'olf); Dixon, Lee Co.; Panola, Woodford Co.: Galena. .To 

 Daviess Co. : (Jedar, Fox, and Fourth lakes, Lake Co. : (.Quiver 

 and Matanzas lakes, and Illinois River, Havana, Mason Co.: 

 Urbana and Champaign, Champaign Co.: Tliompsoirs Lake, 

 F'ulton Co. (State Laboratory). 



Lynmtea oh russa plica Lea ( = en-igua Lea). 



Chicago, Cook Co. ( Baker, Jensen) : Rockford, Wiiineliago 

 Co. (Hinkley). 

 Lijiiinira ohrussa decampi Streng. 



Silver Lake and Algonquin, McHenry Co. (Nason ) : Cedar and 

 Long lakes. Lake Co. (State Laboratory). 



Lijiiiiiiia ohrussa tnodieelJa Say. 



Cook Co. (Baker, Higley); Elgin, Kane Co: Fox River, Al- 

 gonquin and Crystal Lake, McHenry Co.; Athens, Menard Co. 

 (Nason); Wabash Co. (Marsh); Urbana, ('hainpaign Co ; Illi- 

 nois River, Havana, Mason Co. : Thompson's Lake, Fulton (_'o. 

 ( State Laboratory ). 

 Liimnaa ta-ewelliana Wolf. 



Tazewell Co. shore oi Hlinois Kiver, (Wolf). I'leistoeeiie 

 fossil. 



