NANINA. 89 



N. AUREA, Martens. PL 29, figs. 33, 34. 



Subcovered perforate, distinctly striulate, very shining ; orange 

 brown, a little lighter below; whorls 5, suture violaceous 



margined. Diam. 12, alt. 6'5 mill. 



Near Kepahiang, Sumatra. 

 N. NEPOS, Pfr. PL 29, figs. 35, 36. 



Perforate, thin, smooth, very shining, pellucid; purplish 



brown ; whorls 5, suture impressed. Diam. 8, alt. 5 mill. 



Ceylon. 

 N. PERPAULA, Benson. PL 29, fig. 37. 



Perforate, rounded below, glassy, obliquely striulate, with 

 spiral lines ; umber brown ; whorls 4, well rounded. 



Diam. 2'3, alt. axis 1*3 mill. 



Moulmein. 

 N. CONSUL, Pfr. PL 29, figs. 38, 39. 



Scarcely perforate, lightty striulate and with numerous un- 

 equal spiral lines, somewhat shining ; reddish corneous, suture 

 dark margined ; whorls 6J. Diam. 22, alt. 13 mill. 



Sarawak, Borneo. 

 N. PUMICATA, Morelet. PL 29, figs. 40-42. 



Narrowly perforate, rather thin, smooth, scarcely shining 

 above ; brownish corneous, lighter colored and more shining 

 below; whorls 7, suture submargined, violaceous, periphery 



obtusely angulated. Diam. 26, alt. 16 mill. 



Ajuthia, Si am. 

 N. BOUCOURTI, Morelet. PL 29, figs. 43-45. 



Perforate, thin, veiy lightly striate, shining, diaphanous; 

 brownish corneous, lighter and more shining below ; whorls 7, 

 suture narrowly margined, last whorl obtusely angled above the 



middle. Diam. 28, alt. 15 mill. 



Battambang, Cambodia. 

 N. CINNAMOMEA, Yal. PL 29, figs. 46-48. 



Narrowly perforate, thin, shining, diaphanous, very minutely 

 irregularly striate; cinnamon-brown, lighter below; whorls 7, 

 suture smooth, periphery rounded. Diam. 22, alt. 11 mill. 



Natuna /., Chinese Sea; Penang. 



I follow Pfeiffer in placing this species in the present group ; 

 in some of its more obvious characteristics it appears to be 

 nearly related to N. Pfe.iffe.ri of the group Xesta. 



