HELIX. 177 



H. VILLOSA, Drap. PL 39, figs. 87-89 ; PL 38, figs. 51-53. 



Moderately umbilicated, opaque, thin, hairy, yellowish corneous, 

 striate ; whorls 5, convex, the last not deflected ; peristome sub- 

 patulous, with a wide, thin, white callus within. Diam. 14 mill. 



France, Southern Germany, Northern Italy. 



H. pilosa, Alten is a synonym. 



Var. PHOROCH^TICA, Bourg. Figs, 51-53. 



Smaller, thinner, more strongly costulate, with shorter hairs ; the 

 whorls less convex above, aperture proportionally larger, the lip- 

 extremities more distant, lip not thickened within ; umbilicus very 



narrow. 



Grande Chartreuse. 



H. ARPATSCHAIANA, Mousson. PL 39, figs. 90, 91. 



Narrowly umbilicated, irregularly striate, very minutely granu- 

 lar, dark corneous ; whorls over 5, a little convex, slowly increasing, 

 the last scarcely descending in front, with an obsolete peripheral 

 angle, more convex, smoother and lighter colored below ; periphery 

 scarcely expanded, white-lipped within. Diam. 14 mill. 



Arpatschai, Valley of the Araxes. 



The shell which Martens has described and figured as a variety 

 of this species, under the name Var. Sewanica, is a synonym of 

 H. pisiformis, Pfeiffer. 



H. DUSSERTIANA, Bourg. PL 39, figs. 95-97. 



Deeply perforate, convex above, compressed below, sparsely his- 

 pid, fragile, pellucid, striate-costulate, spire convex, apex minute, 

 shining, obtuse, smooth ; whorls 5, convex, slowly increasing, with 

 well-impressed suture, last whorl obscurely sub-angulated, not de- 

 scending in front ; peristome simple, acute, the margins joined by a 



callus. Diam. 7'25 mill. 



Algiers. 

 H. ALSIA, Bourg. PL 39, figs. 98-100. 



Narrowly umbilicated, rather plane above, sub-translucent, not 

 shining below ; light yellowish corneous, strongly striulate, a little 

 malleate, with long whitish hairs, which are very caducous ; whorls 

 6, with deep suture, the last a little flattened above, convex below ; 

 peristome simple, acute, slightly labiate within. Diam. 12 mill. 



Algiers. 

 H. SORDULENTA, Morelet. PL 39, figs. 1, 2. 



Moderately umbilicated, somewhat solid, a little turgid below, 



dull soiled corneous, with short hairs ; whorls 5, convex, with deep 

 12 



