94 NANINA. 



N. AGLAJA, Pfr. PL 31, figs. 100-2. 



Scarcety perforate, thin, smooth, pellucid, very shining ; amber 

 brown ; whorls 6, plicatulate at the suture, which is margined by 

 a chestnut line, periphery rounded. Diani. 13, alt. 6 mill. 



Sarawak, Borneo. 

 N. VALLTCOLA, Pfr. PI. 31, figs. 3, 4. 



Perforate, smooth, pellucid, shining ; brownish corneous ; 

 whorls 5, suture submargined, periphery rounded. 



Diam. 12, alt. 5 mill. 



Koondah .Ms., India. 

 N. HYPOLEUCA, Blanford. PL 31, figs. 5, 6. 



Perforate, rather thin, smooth, polished, lightly striate, with 

 microscopic spiral lines, frequently obsolete, brownish corneous, 

 becoming lighter below, whitish around the umbilicus ; whorls 5, 



suture impressed, submargined. Diam. 12, axis 6 mill. 



Akoutong, Pegu. 

 N. STEPHOIDES, Stolicz. PL 31, figs. 7-9. 



Very narrowly perforate, thin, shining, smooth, lightly stri- 

 atulate ; yellowish corneous, becoming whitish around the 



umbilicus; whorls 6, suture linear. Diam. 1T6, alt. 7 mill. 



Penang Hill. 

 N. CARNEOLA, Pfr. PL 31, figs. 10, 11. 



Narrowly perforate, thin, smooth, pellucid, shining, reddish 

 corneous ; whorls 6, slowly increasing, suture channeled, sub- 

 marginate, last whorl obsoletely angulated on the periphery. 



Diam. 11-5, alt. 5 mill. 



Ceylon. 

 N. TODARUM, Blanford. PL 32, figs. 12-14. 



Perforate, thin, shining, striate, fulvous corneous ; whorls 5J. 



Diam. 14, alt. 8 mill. 



Nilgherri Mts., India. 



Is larger with a higher spire than the succeeding species. 



N. PERROTTETI, Pfr. PL 32, fig. 15. 



Subopenly perforate, rather thin, smooth, shining; corneous; 



whorls 5J. Diam. 8, alt. 4 mill. 



Nilgherri Ms., India. 



N. VILLIPENSA, Benson. PL 32, figs. 16, 17. 



Openly perforate, moderately solid, pellucid, corneous, pol- 

 ished ; whorls 5, suture scarcely margined. Diam. 8, axis 4 inill.^ 



Ceylon. 



