N A NINA. 75 



N. WALLACEI, Pfr. PL 21 , fig. 5. 



Subperforate, moderately solid, lightly striate ; yellowish, 

 with a narrow chestnut-colored peripheral band, and scattered 

 dark pellucid dots, base lighter, obsoletely spirally sulcate, 

 aperture chestnut-colored, with a light band; whorls 5, suture 

 white-margined, last whorl subdeflected in front. 



Diam. 31, alt. 17 mill. 



Macassar. 



There is a minor variety with the pellucid spots light-colored, 

 the aperture white with a chestnut band. 



N. PARCIPILA, Martens. PL 19, figs. 86, 87. 



Narrowly perforate, striulate, set with occasional tufts of 

 short hairs above, shining below ; yellowish white, with a broad 

 chestnut band; whorls 4J, suture white-margined, last whorl 



obtusely angulated. Diam. HO, alt. 20 mill. 



Moluccas. 



N. SPIRALIS, Le Guillou. PL 21, fig. 6. 



Narrowly perforate, growth-lines rugose, slight ; white or 

 yellowish with a narrow chestnut band above the periphery, 

 showing on the spire ; whorls 5. Diam. 34, alt. 20 mill. 



Ins. Arrow. 



Sometimes the band is white-margined above and below. 



N. SULFURATA, Martens. PL 21, figs. 7, 8. 



Narrowly perforate, lightly striulate ; yellow, becoming 

 lighter on the base, with two chestnut bands (sometimes uniting 

 into one) above the periphery, the upper one showing on the 

 spire ; whorls 4. Diam. 25, alt. 17 mill. 



Ins. Batjan and Halmahera, Moluccas. 



N. BASILESSA, Benson. PL 21, figs. 9, 10. 



Narrowly umbilicated, solid, striulate; epidermis yellowish 

 brown, under which the shell is purplish, becoming whitish 

 towards the umbilicus, above the periphery is a narrow choco- 

 late band, white-margined above it; whorls 5, the last descend- 

 ing a little in front. Diam. 48, axis 21 mill. 



Travancore, India. 



