List of the Mollusca of Missouri. 91 



all Springs, Howell Co. (Walker Coll.); Jeff- 

 erson City, Cole Co. (Walker Coll.) ; Ironton, 

 Iron Co. (1) ; Cape Girardeau, Cape Girardeau 

 Co. ( ?) ; Ste. Genevieve, Ste. Genevieve Co. 

 (2); Callaway Co. (Greger). 



Postpliocene : — Providence, Boone Co. (12). 



89. POLYGYRA INFLECTA MEDIA Pils. 



Pilsbry reports finding at Seligman specimens with 

 normal teeth and also with teeth very much reduced, 

 which he called variety media. All the shells I found 

 there have normal teeth. 



90. POLYGYRA PROFUNDA Say. 



Postpliocene: — Providence, Boone Co. (10); 

 Lupus, Moniteau Co. (10) ; Lexington, Lafayette 

 Co. (Hambach). 



I have not found living specimens of this species in 

 the State. 



91. POLYGYRA ALBOLABRIS Say. 



Postpliocene: — One-half mile below Great Ne- 

 maha (Hambach). 



92. POLYGYRA ALBOLABRIS ALLENI Weth. 



Pettis Co. (11) ; Jefferson City, Cole Co. (3) ; 

 McAllister Springs, Saline Co. (5) ; Camden 

 Co. (3) ; Morgan Co. (2) ; Warsaw, Benton Co. 

 (3) ; Columbia, Boone Co. (13) ; Kansas City, 

 Jackson Co. (4), (19); Barry Co. (2); Scott 

 Co. (1); Madison Co. (1); Shepard Mountain, 

 Iron Co. (1) ; Cape Girardeau, Cape Girardeau 

 Co. (6) ; Galena, Stone Co. (3) ; Eiver bluffs, 

 Moniteau Co. (3) ; Birmingham, Clay Co. (6) ; 

 Chadwick, Christian Co. (Pils. & Fer.) ; Selig- 



