164 HELIX. 



H. REFUGA, Gould. PL 35, figs. 1, 2. 



Sinistral widely umbilicated, somewhat solid, minutely obliquely 

 rugose and concentrically striated above, white, under a yellowish 

 corneous deciduous epidermis; whorls 6i, narrow, shining, the last 

 deflected in front, base subangulate, concave; peristome shortly, 

 abruptly reflected, callous, white, the margins joined by sigmoid 

 parietal, callus, disposition of teeth as in the preceding species. 



Diam. 17'5 mill. 



JBurmah. 



Var. BEXTRORHA, Austen. Fig. 2. 



H. KARENORUM, Blanford. PI. 35, figs. 96-100. 



Sinistral, rather widely umbilicated, solid, white, with somewhat 

 irregular light chestnut strigations, decussated by sinuous transverse 

 and spiral striae; epidermis thin, corneous; suture somewhat narrowly 

 margined ; whorls 6, narrow, the last angulated above the periphery, 

 rounded below, deflected and slightly compressed at the aperture ; 

 lip white, reflected, the margins joined ; parietal and palatal processes 

 both compound, a single horizontal parietal lamina in addition to 

 the lower free one. Diam. 13 mill. 



Pegu. 



H. BRAHMA, Austen. PL 36, figs. 35-37. 



Sinistral, moderately umbilicated, ochraceous-brown, finely regular- 

 ly striated; whorls 7, the last angular above and rounded below, a little 

 compressed behind the aperture and hardly descending; peristome 

 slightly reflected and thickened, white, connected by a parietal 

 callus, parietal vertical lamina strong, with a short horizontal 

 lamella at the lower end, above this are two other parallel short, 

 and usually free lamellae, there is a very thin, thread like lower free 

 lamella extending to the peristome and uniting with the parietal 

 callus, palatal plicae in two rows, the outer one of four rather large 

 plications, behind it, another row of fourteen minute, tooth-like 

 processes. Diam. 9 mill. 



Brahmakhund, Eastern Assam; alt. 1000 ft. 



H. CYCLASPIS, Benson. PL 35, fig. 9. 



Sinistral, widely umbilicated, smooth, finally obliquely rugate 

 above, brownish, suture margined ; whorls 7-1, slowly increasing, the 

 last not descending, acutely compressed-carinate, base convex, 

 subangulate around the umbilicus; peristome* expanded, reflected, 



