88 Trans. Acad. Sci. of St. Louis. 



76. SucciNEA RETUSA Lea. 



Columbia, Boone Co. (3) ; Barry Co. (2) ; Sa- 

 line Co. (8). 



77. SucciNEA AVAKA Say. 



Near Georgetown, Pettis Co. (6), (11); Flat 

 Creek, Same Co. (11); Cohimbia, Boone Co. 

 (13); Chouteau Springs, Cooper Co. (9); 

 Porter Springs, Morgan Co. (5) ; Camden Co. 

 (1) ; Springfield, Greene Co. (3) ; Jackson, Cape 

 Girardeau Co. (4). 



Postpliocene : — Glasgow, Howard Co. (3). 



78. SUCCINEA AVARA YERMETA Lea. 



Columbia, Boone Co. (8). 



79. SucciNEA GROVENORi Lea. 



Iron Mountain, St. Francois Co. (1) ; Carthage, 

 Jasper Co. (1); Columbia, Boone Co. (17); 

 Pettis Co. (9) ; Same Co., July 4, 1883, (4) ; 

 Georgetown, Same Co., May, 1884, (24). 



Postpliocene: — St. Joseph, Buchanan Co. (Ex- 

 treme form) (6) ; very large form (10). 



80. SucciisrEA coisrcoRDiALis Gld. 



Sedalia, Pettis Co. (23) ; Muddy bridge, George- 

 town, Same Co. (13); Pettis Co., May, 1883, 

 (18); Columbia, Boone Co. (11); Golden City, 

 Barton Co. (1); Jackson, Cape Girardeau Co. 

 (1); Providence, Boone Co. (3). 



81. SucciNEA OBLIQUA Say. 



Bluff City Landing (Hambach). 



