100 NANINA. 



N. FACETA, Austen. PL 84, fig. 80. 



Scarcely perforate, finely, closely, regularly sculptured ; och- 

 raceous ; whorls 4. Diam. 2'7, alt. axis 1-4 mill. 



Dikrang Valley, Dajla Hills, India. 



Somewhat like N. umbraticola, but much smaller and the 

 whorls not so rounded and globose. 



N. ERRATA, Austen. PI. 34, fig. 81. 



Thin, transparent, closely, very finely striate under a lens; 

 pale sienna brown ; whorls 4^, suture shallow. 



Diam. 2*4, alt. axis 1/1 mill. 



Lhota, Naga Hills. 

 N. ORIGINARIA, Austen. PL 34, fig. 82. 



Perforate, rather solid, glossy, finely striate ; sienna brown ; 

 whorls 4 A, the last obsoletely subangulate. 



Diam. 2*5, alt. axis 1/5 mill. Munipur, India. 



N. SATA, Austen. PL 34, fig. 83. 



Microscopically decussated, shining ; pale olivaceous gray, 

 black mottled ; whorls 4, suture impressed. 

 Diam. 2, alt. axis *8 mill. 



Shengor Peak (6706 feet), Da/la Hills, India. 



N. ANON^;, Austen. PL 34, fig. 84. 



Narrowly perforate, covered with a rough limy deposit, 

 indistinctly spirally striate, with a few growth-lines ; umber 

 brown ; whorls 4, suture shallow. Diam. 1-5, alt. '08 mill. 



Calcutta (found on fruit of the custard-apple). 



N. SHENGORENSIS, Austen. PL 34, fig. 8n. 



Narrowly perforate, glossy, spirall}' striate ; olivaceous brown ; 

 whorls 4, suture shallow. Diam. 1T2, alt. axis 4-3 mill. 



Shengor Peak, Dajla Hills, India. 

 Not fully grown. 



N. HARDWICKEI, Austen. PL 34, figs. 86-88. 



Narrowly perforate, regularly finely spirally striate; dull 

 ochraceous brown, with a greenish tint ; whorls 6, suture 

 moderately impressed. Diam. 16'2, alt. axis 7 mill. 



Calcutta, Assam, etc. 



It is N. Sylhetensis, Austen MS. I figure several varieties. 



