104 



Li/iiimi'd aterhii Baker. 



Canton, Fulton (Jo. (Nasou). 



Lyiiinwa kumiViH Say. 



C;ook('o. (Baker): Desplaines River (Ferriss) : Joliet, Will 

 Co. (Ferriss. Handwerk » : La Salle Co. (Huett) ; Mercer Co. 

 (Marsh): Elgin, Kane Co. : Algonquin, McHenry Co. : Canton, 

 Fulton Co. (Nason) : .Jackson (Jo. (Walker) : Fulton Co. (Wolf) : 

 Crand Tower, .Jackson Co. (Woodruff): (Quiver and Matanzas 

 lakes, Havana, Mason Co. (State Laboratory). 



Lymnifd pnrva Lea (= curta Lea). 



Joliet, \^'ill Co. ( Ferriss, Handwerk): Mercer Co. ( Marsh) : 

 Athens, Menard Co. : Cook (!o. : Algonquin and Crystal Lake, Mc- 

 Henr3- Co.; Elgin, Kane Co. ( Nason) ; (.'anton, Fulton Co. (Na- 

 son, Walker): Fulton (_'o. (Wolf); Copperas (.'I'eek ( Phil. Acad. 

 Sciences) : Illinois Kiver, Havana, Mason (,'o. : ('lifton, Iroquois 

 (.'o. (State Laboratory). 



Lymnmr ilolli Baker 



Iiockford. Winnebago Co. (Uinkley); ^iortiiern Illinois, in 

 drift (Sterki). 



Subgenus Star/nicola Leach. 



Section .Stagnirola h.s. 

 Li/i/ina-ri rritaHrop'rnm Say (= fuslformis^^en). 



('()ok('o. (Baker, .Jensen, Nason) : Northern Illinois (Calkins) ; 

 Will Co. (Marsh) ; Lake Michigan, Chicago, Cook Co. (State Lab- 

 oratory). 

 Lymnind catancopiuni pinguls Say. 



Cook Co. (Baker, Calkins). 

 IjymrKtn ivoodrufii Baker. 



Lake Michigan, Cook Co. (Baker, Lyon, Nason, WondruH', 

 State Laboratory). 



Lyrnniiri laperata Say ( = ferrinsi Baker). 



(^ook (Jo. (Baker, ("alkins, Jensen, Nason): Northern Illinois 

 (Calkins); Joliet, Will Co. (Ferriss): Winnebago Co. (Hink- 

 ley) : Lake Co. (Huett); Mercer and Whiteside counties 

 (Marsh); Elgin, Kane Co. : Algonquin and Crystal Lake, Mc- 

 Henry Co (Nason); Fulton Co. (Wolf); Urbana, Champaign 

 Co. ; (Jedar Lake, Lake Co. ; Clifton, Iroquois (Jo. ; C^uincy, Ad- 

 ams Co.: Freeport, Stephenson (V). (State Laboratory). 



