102 NANINA. 



N. DALINGENSIS, Austen. PI. 34, fig. 94. 



Perforation somewhat concealed, sculpture microscopically 

 broken up by decussation ; dark umber-brown, with a pinkish 

 broad margin bordering the peristome ; whorls 6. 



Diam. 24'2, alt. axis 10'5 mill. 



Damsang, Doling Hills, Western Bhutan. 



N. BILINEATA, Austen. PI. 34, figs. 95, 96. 



Very thin, transparent, greenish yellow ; whorls 5. 



Diam. 11 mill. 



Tanir Lampa Ridge, 4000 feet. 



The living shell appears mottled on the upper surface with 

 black and white from the body of the animal shining through it. 

 The animal has a pale ochraceous foot, the tentacles black, the 

 color extending in parallel lines on the neck, the upper part of 

 the foot also with two parallel black lines. 



N. HEBESOENS, Blanford. PI. 34, fig. 97. 



Scarcely perforated, yellowish or fulvous, thin, dull, with very 

 close oblique microscopic striae above, base radiately striate and 

 more polished; whorls 5J, suture profound, periphery obtusely 

 subangulate. Diam. 15, alt. 8'5 mill. 



Annamullay Hills, Central India. 



N. LIXA, Blanford. PI. 35, figs. 99, 100. 



Covered perforate, rather thin, fulvous, closely microscopically 

 striate above, smooth and polished below ; whorls 5 -J, periphery 

 obsoletely subangulate. Diam. 13'5, alt. axis 9'5 mill. 



Annamullay Hills, Central India. 



N. PRONA, Nevill. PI. 34, fig. 98. 



Perforate, the sculpture very fine, broken up into close-set 

 papillate dots ; pale sienna-brown, a darker conspicuous band of 

 the same color near the aperture, with ochraceous growth-bands 

 at intervals ; whorls 6, periphery rounded. 



Diam. 18*2, alt. axis 7 mill. 



Masuri, N. W. Himalayas. 



N. Masuriensis, Austen, is a synonym. 



