62 HELIX. 



shortly deflected in front, umbilicus bounded by a distinct angle ; 

 peristome thickened, white, reflected. Diana. 17'5 mill. 



Prov. Guangdung, China. 



H. SUBCHINENSIS, Nevill. PL 33, figs. 68, 69. 



Widely umbilicated, subpellucid, obliquely striulate, shining, 

 chestnut color, with a narrow white band ; whorls 7, slightly con- 

 vex, the last scarcely descending in front, subangulate on the peri- 

 phery ; peristome thickened, whitish, narrowly reflected. 



Diam. 17 mill. 



Formosa. 

 H. GOTTSCHEI, Mollendorff. PI. 13, figs. 38-40. 



Widely umbilicated, lightly obliquely striate and membranously 

 costulate, microscopically spirally lineate, brownish corneous ; whorls 

 63-7, slightly convex, the last obtusely angulated, and very shortly 

 deflected in front ; peristome thin, shortly expanded, subreflected. 



Diam. 11 mill. 



Soul, Corea. 

 H. INITIALIS, Heude. PL 13, figs. 41-43. 



Moderately umbilicated, thin, corneous or brownish, very mi- 

 nutely obliquely striate ; whorls about 6, narrow, slightly convex, 

 the last with obtuse, white-banded peripheral angle, scarcely de- 

 flected at the aperture, convex below ; peristome white, sinuous, 

 somewhat thickened, reflected. Diam. 12 mill. 



Prov. Nganhoue, China. 

 H. CATOSTOMA, Blanf. PL 13, figs. 36, 37. 



, Widely umbilicated, thin, 'striate, corneous ; whorls 7, convex, 

 slowly increasing, the last rounded, abruptly descending in front, 

 subconstricted behind the aperture, subcompressed around the um- 

 bilicus ; peristome sinuous, reflected, with a superior internal pro- 

 jection, and basal, subdentiform thickenings. Diam. 16 mill. 



Ponsee, Yunnan, Naga Hills, India. 



Differs from the other species in its indistinctly trilobed aperture- 



Unfigured Species. 

 H. HUPEANA and H. KUANTUNGENSIS, Gredler. China. 



Section III. TRACHIA, Albers. 1860. 



H. ASPERELLA, Pfr. PL 14, fig. 58. 



Moderately umbilicated, roughened by minute granules, dirty 

 white, variously banded with chestnut ; whorls 4, the last with 



