HELIX. 93 



H. SUBZONATA, Mousson. PI. 29, figs. 37-39. 



Umbilicated, dark corneous, with a dark band, pale-margined 

 below, striate, with very minute granulations, obsoletely hairy ; 

 whorls 5, somewhat convex, the last without hairs, a little descend- 

 ing in front ; aperture grayish, showing the exterior band, peristome 

 subthickened, whitish, shortly reflected, margins somewhat approach- 

 ing. Diam. 23 mill. 



Cephalonia and Epirus. 



Var. DISTANS, Blanc. PL 29, figs. 40, 41. 



More distinctly striate and granular, whitish zone conspicuous, 

 umbilicus narrower, suture whitish margined. 



Ins. Corfu. 



H. FCETENS, C. Pfr. PI. 25, figs. 59-62. 



Widely umbilicated, corneous brown, with a chestnut band mar- 

 gined with white below, translucent, substriate ; whorls 5*, flattened, 

 the last deflected in front ; peristome simple, expanded, right margin 

 reflected, extremities approaching. Diam. 21-27 mill. 



Mts. Switzerland and Southern Austria. 



The synonymy includes H. cornea, Voith, H. euzona, Menke, 

 H. marglnata, Mu'hlf., H. achatina, Pot. et. Mich., H. cingulina, 

 Desh., var. Dufftii, Kobelt (subfossil). 



Var. ACHATE, Ziegler. PI. 25, figs. 59, 60. 



Rather smaller than type ; whorls more elevated, the peripheral 

 white band broader, the dark band conspicuous ; keel scarcely indi- 

 cated. Diam. 19 mill. 



Alps of Southern Bavaria, North Tyrol, etc. 



Var. ICHTHYOMMA, Held. PL 25, fig. 63. 



Depressed finely striate, shining, thin, translucent, corneous, with 

 a rufous baud, bordered with white below ; whorls 5?, flattened, the 

 last widened, descending anteriorly, convex below ; sutures deep ; 

 aperture very oblique, compressed ovate, peristome labiate, white, 

 ends not converging, reflected on basal margin. Umbilicus wide 

 and deep. Diam. 22 mill. 



Savor in n Alps. 



