54 HELIX. 



Var. ROTATORIA, Busch. Fig. 77. 



Suture less distinct, periphery acutely keeled ; peristome a little 

 thickened, less rounded, white. 



Var. BHAMOENSIS, Nevill. 



Last whorl slightly angular, not distinctly keeled, aperture 

 smaller, less produced, columellar margin slightly oblique, angular 

 at base, shell smoother. 



Nevill remarks that this variety connects H. tapeina almost 

 insensibly with H. catostoma, Blf. and its varieties. 



H. HupENSis,.Gredler. PI. 13, fig. 48. 



Widely umbilicated, thin, obliquely striate, carinate, suture mar- 

 gined; whorls G'/, flattened, brownish above, whtish-rayed below, 

 last whorl not descending in front, base convex, subangulated 

 around the umbilicus: peristome white, shortly reflected. 



Diam. 20 mill. 



Patong, Ost-Hupc Mts,, Chlnn. 

 H. HUTTONI, Pfr. PI. 11, figs. 56, 53-55. 



Rather widely umbilicated, subdiaphauous, with scabrous epider- 

 mis,. light corneous; whorls 6'., slightly convex, the last very slightly 

 descending in front, periphery angulated; peristome simple, acute. 



Diam. 10 mill. 



Himalaya Mts., India; Java, etc. 



H. orbicula, Hutton (not Orb.) is a synonym. 



Var. SAVADIENSIS, Nevill. 



Spire more elevated, shell thicker, umbilicus narrower. 

 Diam. 12'5 mill. 



Var. WINTERIANA, Pfr. Figs. 53-55. 



Widely umbilicated, depressed, light corneous, somewhat shining, 

 periphery obsoletely or distinctly angulated; whorls 54, the last 

 slightly descending in front. Diam. 12 mill. 



Java, Borneo, /Sumatra, Timor, Slam. 

 H. INTUMESCENS, Mart. PI. 11, figs. 64-66. 



Moderately umbilicated, striated, a little shining, light brownish, 

 peripheral cariua whitish; whorls 5-6, slightly convex, the last 

 somewhat deflected in front, carinated, the carina evanescent towards 

 the aperture, base obtusely angulated around the umbilicus; peris- 

 tome shortly expanded, white, columellar margin subvertical. 



Diam. 8-14 mill. 



Java. 



