56 HELIX. 



carinated, inflated and scarcely striate below ; peristome simple, ex- 

 panded, white, margins distant. Diam. 16'5 mill. 



Hob. unknown. 

 H. CONELLA, A. Ad. PL 12, rigs. 79-81. 



Moderately umbilicated, yellowish corneous, thin, obliquely costu- 

 late, epidermis in oblique interrupted lines ; whorls 6, flattened, the 

 last with acutely carinated periphery, base convex ; peristome acute, 



expanded. Diam. 10 mill. 



Tabu-Sima, Japan. 



H. SUMATRANA, Martens. PI. 12, figs 68-70. 



Widely umbilicated, striulate, somewhat shining, greyish brown ; 

 whorls 5, scarcely convex, periphery carinated, base convex; obso- 

 letely angulate round the umbilicus ; peristome simple, white, ex- 

 panded below. Diam. 13 mill. 



Sumatra. 

 Var. MOUSSONIANA, Mart. 



Very widely umbilicated, closely arcuately striate, shining, light 

 brownish, peripheral carina distinct; peristome white, shortly ex- 

 panded. Diam. 12 mill. 



Eastern Java. 

 H. SQUAMULOSA, Mousson. . PL 12, figs. 74-76. 



Widely umbilicated, closely arcuately striated, epidermis brown- 

 ish, scaly, laciniated, in lines parallel with the striae; whorls 6, sub- 

 plane, deflected in front, periphery carinated, base slightly convex, 

 with distinct umbilical angle ; peristome white, shortly expanded. 



Diam. 12 mill. 



Ins. Madura, near Java. 

 H. PUBEROSULA, Heude. PL 12, figs. 86-88. 



Widely umbilicated, fragile, epidermis reddish brown, with mi- 

 nute granose scales, suture subimpressed ; whorls 8, narrow, slowly 

 increasing, periphery obtusely angulated ; peristome thin, a little 

 reflected. Diam. 10 mill. 



Distr. Talifou, China. 



Described by Heude as If. pulverulenta, preoccupied by Lowe. 



H. ATKINSONI, Theobald. PL 12, figs. 83-85. 



Widely umbilicated, rugosely striate, lightly decussated by ob- 

 scure spiral lines, dirty white (perhaps corneous in fresh specimens), 

 semitranslucent, suture impressed ; whorls 5, slightly convex, the 

 last sinuately depressed above at the aperture ; peristome slightly 

 thickened, simple, callously thickened on the base. Diam. 13 mill. 



Moulmein. 



