29 



— not regularly striated. 3 



3 ovate or ovate conic with the apex pointed. 5 



— more or less cylindrical oblong (or ovate) with 



apex rather obtuse. a 



4 alt. 2, diam. 1.2 mill.; sh. rather stout, deep horn 



to chestnut colored; palatal wall with a crest be- 

 hind the aperture and a callus inside, in which the 

 2 palatal folds merge; parietal lam. i, columellar i, 

 basal I, [sometimes wanting]; peristome slightly 

 everted, slightly flattened on the right side (Ku.) 



pygmsea, Drp. 



— alt. 1.5, diam. scarcely i mill.;sh. thin, horn colored, 



translucent; palatal wall without crest and inside 

 callus, with one [the inferior] small fold; i parie- 

 tal, I columellar; peristome scarcely everted; alt. 

 i..^, diam. 0.8 mill. minuscula, Sterki 



5 palatal wall rather simple and straight, without im- 



pressions or crest outside and callus inside; lam. 

 and folds 3 [4] ; i parietal, i columellar, i [inferior] 

 palatal and sometimes a second [superior] ; ovate 

 conic; color pale or yellowish horn; alt. 2.0, diam. 

 1.4 mill. tridentata, Wolf 



— palatal wall with a more or less marked crest and 

 impressions outside and a [sometimes thin] callus 

 inside, into which the 2 or more palatal folds merge; 

 color deep horn to chestnut. 6 



6 parietal lam. 3 [rarely 2]; i columellar, i basal 

 I often double, rarely wanting | 2 strong palatals, 

 below, above, and sometimes between which 2 to 4 

 additionals (smaller); color deep or brownish 

 horn to chestnut; alt. 2 to 2.5, diam. 1.5 to 1.8 mill. 



ovata, Say. 



