NANTNA. 99 



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



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

 pale horny brown; whorls 5^. Diam. 4*1, alt. axis 2 mill. 



Naga Hills, 6777 ft. alt. 

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



Narrowly perforate, smooth, obsoletely striate ; pale umber- 

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



N. KJiasi Hills, India. 

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



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

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



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



N. RUSTICULA, Austen. PI. 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 4J. 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, periphen* 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. 



