106 HELIX. 



Var. NUBILA, Ziegler. PI. 27, figs. 1-3. 



Aperture dilated, suboblique, base subplanate, color as in var. 

 colubrina. Diam. 27 mill. 



Var. LUCENSIS, Paulucci. 



Intermediate between If. cingulata and var. apuana. It is colored 

 like the former, but more elevated with less inflated last whorl, and 

 wider aperture and umbilicus. The whorls are less convex than in 

 var. apuana, the sutures deeper, and the aperture larger. 



Diam. 23, alt 15 mill. Lucca. 



Var. AFFINIS, Paulucci. PL 27, fig. 97. 



Similar to H. cingulata, but with more whorls, the last more 

 swollen and descending above. It is more delicate and translucent 

 than H. Preslii, with wider umbilicus and less enlarged last whorl. 



Diam. 25, alt 12 mill. 



Central Italy. 

 Var. ANCON.E, Gentil. PL 28, figs. 5-7. 



Differs from H. Preslii in the constantly more depressed form, 

 wider umbilicus, smooth whorls, which are regularly increasing. 

 It is more depressed than H. cingulata, with a greater number of 

 whorls, which increase more slowly. 



Casentino. 

 Var. PINII, Ad ami. 



Subdepressed, reddish corneous, subpellucid, stimulate. 



Diam. 18-26, alt 8-11 mill. Verona. 



Var. INCERTA, Adami. 



Subdepressed, striate, last whorl subcompressed, yellowish within, 

 perspectively umbilicated. Diam. 24-29, alt 9-12 mill. 

 Var. CINGTJLINA, De Betta. 



Widely umbilicated, thick, irregularly striate, greyish brown, 

 with a brown band bordered by white ; aperture subrotund, very 

 oblique, margins converging; whorls 5, subplanulate, sensibly in- 

 creasing. 



Klamm. 

 Var. BIZONA, Rossm. 



Small, milky white, with a wide clear brown band under the 

 normal one, aperture more rounded, not so oblique as in the type, 

 margins of peristome more distinct. Diam. 23 mill. 



South Tyrol. 



