182 HELIX. 



corneous, a little shining ; whorls 6, convex, the last inflated ; 

 peristome acute, with a very thin internal lip, columellar margin 

 partly covering the perforation. Diarn. 14 mill. 



Corsica and Sardinia. 

 H. PSATUROCHCETA, Bourg. PL 41, figs. 2, 3. 



Scarcely perforate, pellucid, fragile, light yellowish, darker at 

 the aperture, with caducous, dense, short hairs, thinly striulate, 

 the adult a little malleate ; whorls 6, moderately enlarging , peris- 

 tome simple, acute, nearly covering the perforation. 

 Diam. 9 mill. 



Brittany. 

 Oriental Species. 



H. HUNGERFORDIANA, Nevill. PI: 40, figs. 27, 28. 



Moderately umbilicated, very thin and fragile, light yellowish 

 corneous, with deciduous very short hairs ; whorls 5, slightly con- 

 vex, with impressed suture, the last large, inflated, shortly descend- 

 ing in front ; aperture rounded lunar, peristome thin, slightly ex- 

 panded, sinuous below. Diam. 18 mill. 



Formosa. 

 H. SUBMISSA, Deshayes. PI. 39, figs. 9, 10. 



Moderately umbilicated, thin, fragile, subpellucid, yellowish cor- 

 neous, spire subplane, rugosely striate, granular, shortly pilose ; 

 whorls 6, a little convex, the last expanding in front, periphery 

 obtusely angulated ; aperture subcircular, oblique, whitish, submar- 



gined within. Diam. 15 mill. 



Thibet. 

 H. SUBECHINATA, Desh. PL 39, figs, 11, 12. 



Widely umbilicated, depressed, subdiscoidal, corneous, epidermis 

 stiffly hirsute, spire obtuse, conoidal ; whorls 6, narrow, slowly in- 

 creasing, convex, suture deep, periphery rounded ; aperture small, 

 obliquely circular, whitish, peristome thin, a little expanded. 



Diam. 7 mill. 



Moupin, Thibet. 



H. TCHEFOUENSIS, Crosse and Debeaux. PL 40, figs. 13, 14. 



Widely, perspectively umbilicated, rather thin, pellucid, brown- 

 ish corneous, very shortly hispid ; whorls 4, a little convex, the 

 last descending in front, periphery rounded; peristome patulous, 

 subreflected, yellowish corneous, margins approaching. 



Diam. 8 mill. 



Tchefou, Northern China. 



Is H. Munieriana, Cr. et Deb. (not Deshayes.) 





