244 HELIX. 



Var. PSEUDOPOMATIA Blanc. 



A form from Monte Corno which exhibits a curious combination 

 of the characters of ligata and 'pomatia. 



Var. ALBESCENS Jan. PL 56, fig. 4. 



Differs from ligata by the pale coloration, bands obsolete. 



Italy. 



H. AMBIGUA (Parreyss) Mousson, 1861. PI. 69, fig. 30. 



Imperforate, globose solid, nearly lusterless, brownish white, 

 with five encircling rather narrow pale brown bands, the second 

 and third generally confluent rather irregularly obliquely striate 

 and very obsoletely spirally striate ; spire conic, apex obtuse, white 

 or corneous, smooth; suture well impressed, slightly crenulated, 

 whorls 41, rapidly increasing, especially the last; body-whorl large, 

 globose, sensibly descending anteriorly, slightly indented at the 

 axis; aperture oval-lunate, oblique, livid white and obscurely show- 

 ing the bands within ; peristome slightly thickened, labiate with a 

 well-defined dark brown band within, upper and lower margins sub- 

 parallel, scarcely converging, outer margin obtuse, not expanded, 

 coluniellar margin expanded, dilated and adnate over the axis, deep 

 chestnut colored, subvertical ; parietal wall covered with a thin deep 

 castaneous callus. 



Diam. 36, alt. 37 mill. 



Corfu ; Cephalonia. 



H. cyrtolena Bourg. is synonymous. 



A specimen from Corfu, received from CONEMENOS, is figured. 



Var. THIESSEANA Kobelt. PI 69, fig. 31. 



More globose than the type ; shining, ruddy-brown, banded with 

 darker, the bands scarcely visible within ; interior of lip, columella 

 and parietal wall deep castaneous, almost black. 



Diam. 41, alt. 38 mill. 



Chalkis, Eubwa. 



A ^beautiful deeply colored variety. I have received it from 

 Aehaia from Mr. N. Conemenos. 



H. ANCTOSTOMA Martens, 1871. PL 57, fig. 27. 



Imperforate, globose-conic, spire subturrited, solid, heavy, irregu- 

 larly striate, whitish gray, with two broad bands of brownish gray ; 

 whorls 5s, deeply convex, slowly increasing, the last not dilated, 

 slightly descending at aperture ; aperture slightly lunate, small, 





