58 NANTNA. 



N. CONULUS, Blanford. PL 26, fig. 38. 



Subperforate, corneous white, thin, translucent, with oblique 

 sinuous somewhat thread-like costulae, 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. EMILIANA, Pfr. PL 26, fig. 39. 



Perforate, moderately solid, closely costulate above, somewhat 

 regularly granulate by impressed spiral lines, opaque, yellowish 

 brown ; whorls 6, the last com pressedly carinated, base radiately 

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



Ceylon. 

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



Scarcely perforate, thin, closely radiately striated, with more 

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

 margined, last whorl compressedly ciirinate, base smoothish, 

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



Ceylon. 

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



Perforate, thin, irregularly plicately striate, obsoletely decus- 

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

 6, apex somewhat obtuse, periphery subrjmnuti. 1 , 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, peripher}' subangulated, rounded in 

 front. Diam. 13, axis 7 mill. 



Habiang, Garo Mtx., India. 



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



Perforate, closely arcuately costulate above, granulately de- 

 cussated by close spiral striae, yellowish corneous, translucent, 

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



