I (ID 



l'l<i norhiii <1 ilatiitus (ifiuld. 



Carliondale, Jackson Co. (Iliiikley). 



Section Annii/fr Hiirtiiiann. 



/'/(/narhis ci't'.sfff lAnni^, 17f)8 { = /u(iifi/eii.s Liiiiu', 17(')7). 

 AlgoiKjuin, McHenryCo. (Nasoii). 



(-Jeiius SE(iMENTiNA Fleiiiiiii:'. 

 Subgenus Planorhula Haldenian. 

 Segment! tta armigeva Say. 



Cook Co. (Baker, Calkins, Nason) : Northern IlliiK)is (Calk- 

 ins) ; La Salle Co. ((lalkins, Iluett); Desidaines River, doliet, 

 Will Co. (Ferriss); Hockford, Wiimeluigo Co. (Hinkley); Mer- 

 cer Co. (Marsh) ; Elgin, Kane Co. ; Silver and Crystal lakes and 

 Algonquin, McIIenry Co. ; Athens, !\Ienard Co. (Nason ) : Fulton 

 Co. (Wolf); Glen Ellyn, I)u Page (!o. (Woodrufl): (,)uiver 

 Lake, Havana, Mason ( 'o. ; Urbana, Champaign Co.; Fourth 

 Lake, Lake (!o. ; McHenry Co. (State Laboratory). 



Siiperfaniily Akteophii.a. 

 Family AFRICULID/E. 

 (Tenus Carychu'ii ^liiller. 

 C'ari/e/i/juH, exiguuui Say. 



C'ook Co. (Fiaker, .Jensen); Nortlierii Illinois; Fox K'iver 

 (Calkins); La Salle Co. (Calkins, Iluett); .loliet, "Will Co. 

 (Ferriss); Lilycash Creek, \Vill Co. (Handwork ): luickford, 

 Winnebago Co. ; Du Bois, Washington Co. (Hinkley); Mercer 

 Co. (Marsh); Elgin, Kane Co.: Algoiuiuin, McIIenry Co.; 

 Athens, Menard Co. (Nason) ; Fulton Co. (Wolf). 

 Cari/eh'iuin exile H. 0. Lea. 



Oregon, (Jgle Co. ( Baker) ; Cook Co. (Baker, Higley, .lensen) ; 

 Joliet, Will Co. (Ferriss); Algon(|uin, McHenryCo. (Nason). 



