EUROPEAN SPECIES OF VERTIGO. 213 



duced forward, almost equally bipartite by the deep longi- 

 tudinal furrow. Length 2, diam. li/4 mm. (Westerlund). 

 Sweden : Borgholm. 



Var. gothorum Westerlund. Shortly oval, rather ventri- 

 cose, the 4y% to 5 whorls but little convex, the last longitudin- 

 ally impressed in front, a little tubercular below. (Margins 

 of the peristorne united by a callus. Length 1^, diam. 1 

 mm. (Westerlund). Sweden: "Bellevue, " Carlshamn. 



82. VERTIGO CALLISTA Westerlund. 



Shell cylindric, chestnut-brown or rufous brown, densely 

 striatulate ; whorls 6, convex, the antepenult and preceding en- 

 tirely cyliiidric, separated by a deep suture, the penult whorl 

 largest, the back of the last whorl strongly and straightly slop- 

 ing, divided into two parts by a deep transverse furrow, the 

 upper, larger part narrow, cylindric, the other very short basal 

 part with a strong white protuberance near the aperture, from 

 which it is separated by a wide furrow. Suture very oblique, 

 not ascending to the aperture. Aperture placed to the left, 

 suboval, with about 2 [parietal] teeth or folds: one shorter, 

 more exterior, marginal, the other deeply entering, nearly 

 continuous with the former ; palatal fold long, strongly curved 

 within; columella calloused, and the lip with a rufous callus 

 deep within the outer margin. Peristome unexpanded, the 

 outer margin strongly arcuate above, and angularly produced 

 above the middle. Length l 1 /^, diam. % mm. (WesterL). 



Sweden : Dalbyo, prov. Sodermanland. 



Pupa callista WESTERLUND, Acta Soc. pro fauna et flora 

 Fennica, xiii, no. 7, 1897, p. 72. 



Vndescribed or uncertain species. 



Vertigo lucida Jan. T. dextrosa, conico-cylindrica, obtusa, 

 diaphana, lucidissima; apertura ovalis; labium columellae 

 coarctatum; perist. edentulum. (Jan Mantissa p. 3), north- 

 ern Italy. 



Vertigo dinii Stefani, = Truncatellina. 



Pupa (Vertigo) danica Westerl., Cat. der Conchyl.-Samm- 

 lung Fr. Paetel, 1873, p. 107. Dania, nude name. 



