208 HELIX. 



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

 little expanded. Diam. 19 mill. 



Ouyuan, China. 

 H. FORTUNEI, Pfr. PI. 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 

 H. similaris, 



Var. MERIDIONALIS, Mollend. Fig. 51. 



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

 what flattened. Diam. 17 mill. 



H. UNCOPILA, Heude. PI. 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, Onina. 

 H. LUTOSA, Desh. PI. 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 51, 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. PI. 47, figs. 63, 64. 



Narrowly umbilicated, thin, obliquely striated, lightly decussated 

 by close spiral striae, 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 belov. . 



Diam. 15*5 mill. 



Shanghai, China. 



