NANINA. 63 



concentrically on the base : dull ochraceous ; whorls 6-L the last 



v 35 7 



somewhat obtusely angnlated on the periphery. 



Diam. 3, alt. axis 3 mill. 



Munipur Hills, N. E. India. 



A variety with 5^ whorls and finer sculpture (fig. 67), occurs 

 on the Xaga Hills, 5000 ft. alt. 



X. ASPIRANS, Blanford. PL 27, fig. 68. 



Scarcely perforate, thin, corneous, obscurely striulate ; whorls 

 7, the peripheral angle obtuse, evanescent near the aperture. 



Diam. 2, alt. 3 mill. 



Nilghiri Mix. 

 X. KHASIACA, Godwin Austen. PL 27, fig. 69. 



Im perforate, microscopically striate, quite smooth under an 

 ordinary lens ; glassy white ; whorls 8. the last very obtusely 



ai'gulate on the periphery. Diam. 2'3, alt. 2'7 mill 



I\h(isi Hill*, 

 bb. Xfjire higher. 



X. FASTIGIATA. Hutton. PL 27, fig. 70. 



Perforation covered, regularly finely longitudinally striated ; 

 pale brown : whorls 8, with shallow suture, periphery obtuseh' 

 angnlated. Diam. 3'7, alt. axis 3'8 mill. 



X. W. Himalaijas, 5000 to 7000 ft. alt. 



X. ELON<;ATA, Godwin-Austen PL 27, fig. 71. 



Imperforate, irregularly longitudinally costulate, with a few 

 spiral striae on the base near the umbilical region ; pale ochra- 

 ceous brown ; whorls 10, the last with obtuse peripheral angle. 



Diam. 3*3, alt. axis 5 mill. 



c. Base tumid below. 



X. JAINTIACA, Godwin-Austen. PL 27, fig. 72. 



Finely longitudinal!}- costulate above, concentrically on the 

 base; pale olivaceous brown ; whorls 5+, the last with obtusely 

 angulated periphery. Diam. 3'3. alt. axis 2*3 mill. 



S. Jaintia Hills, India, alt. 5350 ft. 



X. NAGAENSIS. Godwin-Austen. PL 27, fig. 73. 



Subperforate, rather thin, finely regularly longitudinally cos- 

 tulate, extending across the base; pale horny brown ; whorls 6, 

 the last distinctly calcinated on the periphery. 



Diam. 3'6, alt. axis 2*6 mill. Naga Hills, India. 



