206 HELIX. 



include H. translueens, King, H. Woodiana, Lea, H. squalida, 

 Ziegl., H. addita, Fer. H. epixantha, Pfr. (fig. 30), from China, is 

 regarded by Martens and others, as a juvenile. 



Var. STIMPSONI, Pfr. PL 47, fig. 33. 



Narrowly umbilicated, somewhat solid, closely striulate, shining, 

 brownish corneous; whorls 5J, moderately increasing, the last not 

 descending, turgid, periphery obsoletely angulated, base more dis- 

 tinctly striate ; peristome white, shortly reflected, columellar lip 

 nearly perpendicular. Diam. 15 mill. 



Japan. 

 H. genulabris, Mart, is a synonym. 



Yar. ARCASIANA, Crosse and Debeaux. PL 47, figs. 36, 37. 



Scarcely perforate, not thick, a little shining, with thin, irregular, 

 oblique strise, milk white; whorls 6, moderately increasing, the last 

 not descending, base inflated, excavated around the umbilicus; 

 peristome white, reflected. Diam. 16 mill. 



Shanghai, China. 



Var. BORBONICA, Desh. PL 47, figs. 34, 35. 



Narrowly umbilicatad, depressed, irregularly, obsoletely striated, 

 yellowish corneous with a brown band; whorls 6, the last cylindrical; 

 peristome expanded, white. Diam. 12-15 mill. 



Ins. Bourbon. 



H. CESTUS, Benson. PL 47, figs. 31, 32. 



Narrowly perforate, thin, distinctly striated and very obsoletely 

 granulated, light corneous, with a peripheral chestnut band ; whorls 

 5, the last scarcely descending in front, periphery subangulated ; 

 peristome simple, thin, slightly expanded. Diam. 15 mill. 



Bengal. 

 This may also be a variety of H. similaris. 



H. HONGKONGIENSIS, Desh. PL 47, figs. 38, 39. 



Narrowly umbilicated, thin, pellucid, whitish or yellowish, with 

 a chestnut peripheral line, irregularly striate; whorls 5J, convex, 

 slowly enlarging, the last cylindrical; lip narrow, white, a little 

 thickened within. Diarn. 16 mill. 



Hongkong, China. 



Probably another variety of H. similaris. 



H. OBSCURA, Desh. PL 47, figs. 41, 42. 



Narrowly perforate, thin, pellucid, irregularly thinly striated, 

 dark reddish ; whorls 6, slowly increasing, with superficial suture, 



