76 Trans. Acad. Sci. of St. Louis. 



32. GoNioBASis poTosiENsis Lea. 



King River, Potosi, Washington Co. ; Carter 

 Co. (Billups). 



The type specimens of this species were from Potosi. 



33. GoNioBAsis soEDiDA Lca. 



R. Ellsworth Call in Bulletin of Washburn College 

 Laboratory gave a list of four species of Goniobasis 

 found west of the Mississippi, and east of the Rocky 

 Mountains, three of which were stated to be from 

 Missouri, the above being one. He did not give the ex- 

 act locality. See as to this also under plebeius. 



34. Goniobasis cubicoides Anth. 



This was one of the four species given by Call as found 

 west of the Mississippi, but his specimens were no doubt 

 what this report gives as plebeius. 



Euthyneura. 



PULMONATA. 

 BASOMMATOPHORA. 



Hydrophila. 



Physid^. 

 PHYSA Drap. 



35. Physa anatina Lea. 



Pond, Springfork, Pettis Co. (33) ; Nevada, 

 Vernon Co. (5). 



The Nevada specimens were thought by Pilsbry to be 

 a "curious form of alhofilata." 



36. Physa gyeina Say. 



From Pettis County : — Branch Flat Creek, May, 

 1883, (6) ; Pond, Flat Creek, May, 1883, (5) ; 

 Sampson farm pond, Nov., 1883, (9) ; Same 



