79 



Section (jiimlnihi (Ratinesque) Agassiz. 



(^hii/i/i'iihi ci/ll/ti/riiri Say. 



Shawneetowii, (iallatin Co. (Fischer) ; Ohio River, Golcoiula, 

 Pope Go. (Hart): Wahash River (Hinkley); Little Vermilion 

 River (Marsh); Mt. Carmel, Wabash Co. (Nelson); Southern 

 Illinois ( riU'ers). 



Quddrula iiictancnra Ratinesque. 



Savanna, Carroll ( "o. (Baker); Northern Illinois ( Calkins) ; 

 Illinois River (Calkins, Ilandwerk, Kelly); Kankakee River 

 ( Ferriss, Ilandwerk); <>>uincv, Adams Co. (Hart, Nason); Kas- 

 kaskia, Wahash, and < )hio rivers (Hinkley); La Salle Co. 

 iHuett); Mercer Co., Mississippi River (Marsh) ; Athens, Me- 

 nard Co. (Nason); Spoon River (Strode); Southern Illinois 

 (Ultiers); Fulton Co. (Wolf); Havana, Mason Co. (State Lab- 

 oratory). 



Quadrida nictanevra irai'diJ Lea. 



Illinois River (Handwerk, Marsh). 



Section Tlnliilfruiu (Swainson) Simpson. 

 Qtiadrula, lachryfiios(( Lea ( = qiuulriiiit Say, (tsperiiuus Lea). 



Savanna, Carroll Co. (Baker); Cook Co. (Baker, Jensen) ; 

 Kankakee River (Ferriss, Handwerk); Shawneetown, Gallatin 

 Co. (Fischer); Illinois River (Handwerk, Strode); Quincy, 

 Adams Co. ( Hart, Nason) ; Kaskaskia, Big Muddy, Little Wa- 

 bash, Ohio, and Fecatonica rivers (Hinkley) ; Spoon River 

 (Kelly, Strode) ; Mississippi River, Mercer Co. (Marsh) ; Athens, 

 Menard Co. ( Nason) ; Southern Illinois (Ulffers); Fulton Co. 

 (Wolf); Havana, Mason Co.; Peoria, Peoria Co. (State Labora- 

 tory). 

 Quach'iila lachvyniosa lunulata Pratt. 



Mississippi River (Marsh). 

 QiKidrula t'rngond L'onrad. 



Illinois River (Ferriss, Marsh); Kaskaskia River (Hinkley); 

 Athens, Menard Co. ( Nason ) ; Spoon River ( Strode ) ; Fulton 

 Co. (Wolf). 

 QiiadniJa pustulosa Lea (= Jdrt'cniU '((ina Lea, f«'h(i(ilcrat'tenxis Lea). 

 Oregon, ()g;le Co. ; Savanna, Carroll Co. (Baker); (_'ook Co. 

 (Baker, Calkins, JenseiO : Northern Illinois; Rock River (Calk- 

 ins) ; Kane Co. (Connor); La Salle Co. (Derr, Huett) ; Kan- 

 kakee Ri^er (Ferriss, Handwerk); Illinois River (Handwerk ) : 



