220 HELIX. 



H. LISCHKEANA, Kobelt. PI. 51, figs. 78, 79. 



Perforate, thin, subpellucid, thinly obliquely striulate, slightly, 

 very minutely granular, horny white, with a chestnut band ; whorls 

 5, the last subcompressed but not angulated, descending in front ; 

 peristome thin, slightly labiate within. Diam. 10 mill. 



Japan. 

 H. CALLIZONA, Crosse. PI. 51, fig. 63. 



Narrowly umbilicated, subarcuately striate, irregularly subrugose, 

 with numerous, close, decussating spiral lines, yellowish white, with 

 a subbasal chestnut band, suture rather irregular, impressed; whorls 

 5, the last scarcely descending, the periphery obsoletely angulated; 

 aperture white, showing the basal zone, simple, a little thickened 

 within. Diam. 22 mill. 



Japan. 

 H. FULVICANS, H. Adams. PI. 51, fig. 68. 



Umbilicated, somewhat thin, lightly striate, decussated by very 

 thin spiral line, shortly pilose, light fulvous; whorls 6J, the last 

 rather acutely carinated, descending in front, base more convex; 

 peristome thin, expanded, subsinuous below. Diam. 11 mill. 



Tamsui, Formosa. 



H. COREANICA, Ads. and Keeve. PL 52, figs. 83-85. 



Narrowly umbilicated, somewhat solid, irregularly rugosely 

 striate, reddish corneous, bifasciate with white above; whorls 5&, the 

 last dilated and rounded, scarcely descending in front; aperture 

 shining, peristome simple, acute, rosy lipped within. 



Diam. 19 mill. 



Corea. 

 H. LEPROSULA, Heude. PL 51, figs. 80-82. 



Moderately umbilicated, solid, color? (denuded of epidermis), 

 whorls 5, rather narrow, the last obscurely angulated, descending 

 at the aperture, peristome expanded, acute, thickened within. 



Diam. 26 mill. 



China. 

 H. IMPROVISA, Heude. PL 52, fig. 88. 



Narrowly umbijlicated, brownish, with three bands, the middle 

 one dark, the others light, darker around the umbilicus; whorls 5, 

 the last obsoletely angulated, rugulosely striate; peristome expanded, 

 acute. Diam. 20 mill. 



Tchenkeou, China. 



