NANTNA. 45 



acute carina, slightly sulcate above it, the sulcus continuing on 

 the spire-whorls. Diam. 28, alt. 18 mill. 



Solomon Islands. 

 Placed by Pfeiffer in this group, but scarcely belonging to it. 



N. TINOSTOMA, Blanford. PL 14, fig. 99. 



Narrowly umbilicated, closely decussated, with fine spiral 

 striae, and growth-lines, smoother beneath ; j^ellowish brown 

 above, paler below, with a narrow pale line just above and a dark 

 line just below the periphery ; whorls 5, the last scarcely angular 

 on the periphery ; aperture peculiarly compressed above and 

 below, transverse, peristome slightly inflexed above. 



Diam. 50, alt. 21 mill. 



Near Travancore, India ; alt. 5000 ft. 



N. ENISA, Blanford. PI. 14, fig. 98. 



Umbilicated, subgranularly decussated above, formed by 

 growth striae and fine spiral lines, the latter disappearing near 

 the umbilicus on the smoother base ; yellowish chestnut, paler 

 and dull yellow below around the umbilicus, with a faint pale 

 peripheral band ; whorls 4^, the last slightly angulate on the 

 periphery, depressed above at the aperture. Diam. 43, alt. 20 mill. 



Travancore, India. 

 N. GORDONS, Benson. PI. 15, figs. 3, 4. 



Perforate, thin, obliquely plicatulate and very minutely striate 

 above, smoother below, somewhat shining, radiately striate and 

 distantly decussate ; corneous white ; whorls 7, widely margined 

 at the suture, sharply compressecl-carinate at the periphery ; lip 

 a little thickened within, white. Diam. 33, alt. 11 mill. 



Moulmein, Burmah. 

 N. CLEAMESI, E. A. Smith. PL 28, figs. 4, 5. 



Narrowly perforate, thin, semitransparent, the curved growth- 

 lines are crossed and granulated above by fine concentric striae, 

 below more finely concentrically striated, more glossy and not 

 granulated; vinous horn-color; whorls 6, the last carinate, the 

 carina less marked near the aperture. Diam. 26, alt. 17 mill. 



Madagascar. 



Unfigured and Doubtful Species. 



N. DANJE and N, DURA, Pfr. Lao Mis., Cambodia. 



N. ARGUTA, Pfr. Tenga Hills, Java. 



