208 HELIX. 



the last scarcely descending, obtusely angulated ; peristome white, a 

 little expanded. Diam. 19 mill. 



Ouyuan, China* 

 H. FORTUNEI, Pfr. PL 47, figs. 50, 51. 



Sinistral, narrowly umbilicated, thin, whitish, shining, with 

 usually a chestnut band, closely, minutely, obliquely striate ; whorls 

 5, the last convex, scarcely descending; peristome white, thickened 

 reflected. Diam. 16-21 mill. 



Shanghai, China. 



Von Martens and others have suspected this to be a reversed 

 If. similaris, 



Var. MERIDIONALIS, Mollend. Fig. 51. 



Yellowish corneous, without band, globosely conical, whorls some- 

 what flattened. Diam. 17 mill. 



H. UNCOPILA, Heude. PL 47, fig. 56. 



Sinistral, thin, yellowish, with a chestnut band, spirally striate, 

 with oblique lines of short hairs, suture rather deep; whorls 5, 

 rather rapidly increasing, the last inflated, obsoletely angulated, 

 anteriorly scarcely descending; peristome subthickened, white or 

 reddish, expanded. Diam. 21 mill. 



. River Yangtze, Cnina. 

 H. LTJTOSA, Desh. PL 47, figs. 54, 55. 



Narrowly umbilicated, whitish, under a black pigmental epider- 

 mis, opaque, suture deep; whorls 5, narrow, convex, slowly increasing, 

 the last a little larger, with convex base; aperture white, peristome 

 expanded, thickened within. Diam. 7 mill. 



Pekin, China. 



H. FASCIOLA, Drap. PL 47, figs. 57-59. 



Narrowly umbilicated, thin, diaphanous, whitish corneous with a 

 narrow chestnut band; whorls 5, the last scarcely angulated; 

 peristome white, thickened. Diam. 15 mill. 



Hob. unknown. 



Described as a French species, but has not been recognized; 



H. DICHROA, Pfr. PL 47, figs. 63, 64. 



Narrowly umbilicated, thin, obliquely striated, lightly decussated 

 by close spiral strise, diaphanous, with numerous, interrupted, white, 

 opaque spiral lines; whorls 6, the last deflected in front, base 

 convex ; lip thin, a little expanded above, shortly reflected below. 



Diam. 15'5 mill. 



Shanghai, China. 



