97 



Pleurocera neglectum Anthony. 



Big and Little Muddy rivers (Hinkley) ; Washington Co. 



(Marsh). 



Pleurocera pallidum Lea. 



Fox River (Calkins) ; Kappa, Woodford Co. (Hinkley, col- 

 lected by C. A. Hart). 



Pleurocera ponderosum Anthony. 



Illinois River (Ferriss, Marsh) ; Fox River (Tryon). 



Pleurocera subulare Lea. 



Cook Co. (Baker, Calkins, Jensen, Lyon); Northern Illinois; 

 Fox River (Calkins); Kankakee River (Ferriss) ; Rock River 

 and Kent's Creek (Hinkley) ; La Halle Co. (Huett) ; Union Co. 

 (Lyon); Mississippi River (Marsh); Fulton Co. (Wolf); Lake 

 Michigan, Chicago, Cook Co. ; Havana, Mason Co. (State 

 Laboratory). 



Pleurocera subulare intensum Anthony. 



Desplaines River (Baker) ; Cook Co. (Jensen, Velie) ; Mere- 

 dosia, Morgan Co. (Woodruff) ; Quincy, Adams Co. (State Lab- 

 oratory) . 



Pleurocera troostii Lea. 



Wabash River (Marsh). 



Pleurocera undulatum Say. 



Wabash and Ohio rivers (Hinkley) ; Wabash River (Marsh). 



Genus Goniobasis Lea. 



Goniobasis costifera Haldeman. 



Creeks of Hardin Co. (Hinkley) ; Hennepin, Putnam Co. 

 (Haldeman, Tyron) ; Saline River (Marsh). 



Goniobasis plebeius Anthony (= cubicoides Anthony). 

 Kankakee River (Ferriss, Marsh). 



Goniobasis depygis Say. 



Northern Illinois (Calkins) ; Kankakee River (Ferriss) ; Jo- 

 liet, Will Co. (Ferriss, Handwerk); Hickory Creek, Will Co. 

 (Handwerk) ; La Salle Co. (Huett) ; Peoria Co. (Marsh). 



Goniobasis gracilior Anthony. 



Fulton Co. (Wolf) ; Peoria, Peoria Co. (State Laboratory). 



Goniobasis infantida Lea. 

 Ohio River (Marsh). 



