HELIX. 161 



lines below the angle; parietal vertical lamina with transverse 

 adjuncts above and below, palatal plicae biseriate. Diam. 9 mill. 



Darjiling and Khasi Mts., India. 



It is H. prodigium, Bens. Mss. in British Museum. 



H. ANDERSONI, W. Blanford. PI. 34, fig. 71; PL 35, figs. 74, 75. 

 Dextral, very widely umbilicated, somewhat solid, whitish, under 

 a heavy brownish epidermis, fringed at the periphery, below the 

 epidermis decussated by radiating and spiral striae, the latter obsolete 

 on the base; whorls 71-8, narrow, flattened above, somewhat convex 

 below, compressed around the umbilicus, the last angulated above, 

 constricted and slightly descending in front ; peristome white, ex- 

 panded, parietal lamina vertical, stout, the duplicate palatal plicae 

 biserial, callously connected. Diam. 26 mill. 



Bhamo, in Ava; Hoetone, in Yunan. 



H. CLATHRATULA, Pfr. PL 34, figS. 72, 73. 



Widely umbilicated, acutely carinated, clathrate above by distinct 

 ribs and elevated spiral line, barely shining, horn colored ; whorls 

 5, subequal, scarcely convex, base radiately striated, subinflated 

 around the umbilicus, lip simple, acute; parietal lamina vertical,, 

 palatal plicae biseriate, the posterior series strong, oblique. 



Diam. 5'5 mill. 



Ceylon^ 



H. puteolus, Benson is a synonym. 



H. RETIFERA, Pfr. PL 34, figs. 63, 64. 



Moderately umbilicated, plicate-striate, with several elevated spiral 

 lines, carinated, diaphanous, slightly shining, light horn color; whorls 

 61, somewhat flattened, base subplane, striate; lip simply acute; 

 parietal plica strong, vertical, simple, palatal plicae biseriate, the 

 posterior series strong, vertical. Diam. 7 mill. 



Nilgherri Mts., India. 



H. NAGAENSIS, Austen. PL 35, figs. 78, 79. 



Sinistral, widely umbilicated, yellowish brown, epidermis thick, 

 rudely striated ; whorls 7, flattened, narrow, the last descending in 

 front; lip somewhat thickened, white, reflected, the margins joined 

 by a thick parietal callus, slightly incised at the junction; parietal 

 lamina strong, vertical, with a long horizontal lamina behind it, 

 with six palatal lamellae. Diam. 12 mill. 



Proivi, Naga hills, India. 

 11 



