54 NANINA. 



line on the base, which is elsewhere smooth; chestnut color 

 with lighter apex, or entirely light corneous; whorls 7. 



Diana. C'4, alt. 5'8 mill. 



Tenasserim. 



a. Shell conoid, apex blunt. 



N. LTMATA, Godwin-Austen. PL 25, fig. 15. 



Scarcely perforate, with six thread-like spiral ribs above on 

 each whorl, close spiral riblets on the base; horny brown; 

 whorls 5, with convex sides, apex blunt. 



Diam. 2'6, alt. axis 1-6 mill. 



Pegu. 



aa. Shell conoid, depressed, sides convex. 



N. CARINIFERA, Stoliczka. PL 25, fig. 16. 



Very narrowly perforate, corneous ; whorls 5, the last one 

 tricarinatc on the periphery, base smooth, upper whorls with 

 two thread-like carinse above the suture. Diam. 2'2, alt. 2 mill. 



Penang. 

 N. PALMARIA, Benson. PL 25, fig. IT. 



Perforate, spirally 7-lirate, decussated by very close thread- 

 like oblique striae ; corneous white ; whorls 6J, suture well 



impressed. Diam. 8-5, alt. 6 mill. 



Mysore. 

 N. BALLIANA, Nevill. PL 25, fig. 19. 



Umbilicated, with irregular fine longitudinal costulae, and four 

 or five strongly marked revolving ribs above ; umber-brown, 

 with a strong epidermis ; whorls 5, with well-impressed suture. 



Diam. 3*6, alt. axis 2 mill. 



Hills near Ganjam, Madras. 



aaa. Spire high, with concave sides. 



N. ARX, Benson. PL 25, fig. 18. 



Narrowly perforated, thin, olivaceous corneous, very minutely 

 closely obliquely striate above, with three or four spiral lirse, 

 smoother below; whorls 7 J, suture margined, peripheral carina 



on last whorl acute. Diam. 10, axis 7*5 mill. 



Tenasserim. 



