NANINA. 99 



N. ROBERTI, Austen. PL 33, fig. 72. 



Narrowly perforate, showing growth-lines, smooth, polished ; 

 pale horny brown ; whorls 5J. Diam. 4-1, alt. axis 2 mill. 



Naga Hills, 6777 ft. alt. 

 N. DORANI, Austen. PL 33, fig. 73. 



Narrowly perforate, smooth, obsoletely striate ; pale umber- 

 brown ; whorls 5. Diam. 3'3, alt. axis 2-3 mill. 



N. Khasi Hills, India. 

 N. TANIRENSTS, Austen. PL 33, fig. 74. 



Perforation concealed, smooth, polished ; pale sienna-brown ; 

 whorls 4. Diam. 2-8, alt. axis 1-5 mill. 



Tanir Peak, 4400 ft., Dafla Hills, India. 



ST. RUSTICULA, Austen. PL 33, fig. 75. 



Narrowly perforate, rather solid, subangular, smooth, shining; 

 sienna brown ; whorls 4. Diam. 2'3, alt. axis 1 mill. 



North Khasi Hills, India. 



N. DARJILINGENSIS, Austen. PL 33, fig. 76. 



Perforation hidden, solid, smooth, shining, distantly faintly 

 striate; pale horny white ; whorls 5, closely wound. 

 Diam. 1'7, alt. axis '9 mill. 



Darjiling, India. 

 Its systematic position is very doubtful. 



N. UMBRATICOLA, Austen. PL 33, fig. 77. 



Perforation concealed, very minutely regularly striated ; pale 

 olive-brown ; whorls 4^. Diam. 4'3, alt. axis 2'2 mill. 



North Cachar and Naga Hills (8376 feet), India. 



N. KANDIENSIS, Nevill. PL 33, fig. 78. 



Perforate, distantly regularly finely striate, the surface much 

 decomposed in patches, giving the shell a mottled appearance ; 

 dark chestnut-brown; whorls 5, periphery rounded. 



Diam. 4-1, alt. axis 2'3 mill. 



Kandy, Ceylon. 

 N. PACATA, Austen. PL 34, fig. 79. 



Thin, smooth, glassy, distantly, regularly striated; sienna- 

 brown ; whorls 4J, not fully grown. Diam. 2'8, alt. 1-3 mill. 



Lhota, Naga Hills, India. 



