HELIX. 179 



Var. DUBIA, Clessin. 



Light corneous or brownish, last whorl less dilated than in the 

 type, with wide umbilicus. Diam. 8 mill. 



Near Innsbruck, Tyrol. 

 H. SEGUSINA, Lessona. PI. 39, fig. 72. 



Corneous, transparent, distinctly sub-carinate and fasciate ; 

 whorls 5J, rapidly increasing ; lip a little reflected close to the 

 very small umbilicus. Diam. 8 mill. 



Piedmont. 



H. DIECKMANNI, Mousson. PI. 63, fig. 70. 



Umbilicated, thinly striate, not hairy, pellucid, orange brown ; 

 whorls 5, moderately increasing, the last a little descending, base 

 convex, less striated ; lip acute, slightly reflected, a little thickened 

 within, the basal portion obliquely descending, white, subdenti- 

 formly thickened. Diam. 10 mill. 



Valley of the Amour River. 



H. PARLATORIS, Bivona. PL 40, figs. 39, 40. 



Moderately umbilicated, corneous, hairy ; whorls 4, flattened 

 above, spire babylonic, last whorl not descending in front, base 

 more convex ; peristome simple, acute, margins approximating. 



Diam. 9 mill. 



Sicily. 

 H. MABTOBELLI, Bourg. PI, 40, figs. 41-43. 



Narrowly umbilicated, dark corneous, somewhat pellucid, shortly 

 pilose, apex obtuse, somewhat paler ; whorls 4 J-5, obtusely sub-an- 

 gular, a little compressed above, with impressed suture, slightly 

 descending in front, well-rounded below; periphery very slightly 

 labiate within, its extremities connected by a thin callus. 



Diam. 6 mill. 



Near Barcelona, Spain. 



H. CHNOODIA, Bourg. PL 40, figs. 53-55. 



Widely umbilicated, slightly diaphanous, not shining, corneous, 

 lighter below, striulate, with inconspicuous minute hairs ; whorls 5, 

 with impressed suture, the last large, rounded, scarcely descending 

 in front; peristome acute, margins converging, connected by a 

 very thin parietal callus. Diam. 7. mill. 



Algiers, Tunis. 

 H. LASIA, Bourg. PL 40, figs. 47-49. 



Moderately umbilicated. depressed above, turgidly convex be- 

 low, a little diaphanous, not shining, hairy and striate, dark corne- 



