58 NANTNA. 



N. CONULUS, Blauford. PI. 26, fig. 38. 



Subperforate, corneous white, thin, translucent, with oblique 

 sinuous somewhat thread-like costulse, and below the middle 

 light spiral lines ; whorls 6, those of the spire with a single 

 carination, the last with a strong peripheral carina and a less 

 prominent one below it ; base decussated by radiating striae and 



impressed concentric lines. Diam. 1'75, alt. 2 mill. 



Arakan. 

 This is perhaps a member of the section Kaliella. 



N. EMILTANA, Pfr. PI. 26, fig. 39. 



Perforate, moderate^ solid, closely costulate above, somewhat 

 regularly granulate by impressed spiral lines, opaque, yellowish 

 brown ; whorls 6, the last compressedl} 7 carinated, base radiately 



striulate, somewhat shining. Diam. 16*5, alt. 8 mill. 



Ceylon. 



N. HYPHASMA, Pfr. PL 26, fig. 40. 



Scarcely perforate, thin, closety radiately striated, with more 

 remote spiral sulci, pellucid, corneous white ; whorls 7, suture 

 margined, last whorl compressedly carinate, base smoothish, 



shining. Diam. 15, alt. 10'5 mill. 



Ceylon. 



N. SUBDECUSSATA, Pfr. PL 26, fig. 41, 



Perforate, thin, irregularly plicately striate, obsoletel} r decus- 

 sated by spiral striae above, pellucid, greenish hyaline ; whorls 

 6, apex somewhat obtuse, periphery subcarinate, base shining. 



Diam. 14, alt. 9 mill. 



Near Bombay, India. 



N. FALCATA, Blanford. PL 26, fig, 42. 



Perforate, corneous, obliquely arcuately costulate-plicate. the 

 plicae evanescent below the periphery, smooth, polished, radiately 

 striulate below; whorls 6, periphery subangulated, rounded in 



front. Diam. 13, axis 7 mill. 



Habiang, Garo Mts., India,. 



N. CINGALENSIS, Benson. PL 26, fig. 43. 



Perforate, closely arcuately costuiate above, granulately de- 

 cussated by close spiral striae, yellowish corneous, translucent, 

 below more shining, radiately striulate, scarcely marked by obso- 



