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tured with coarse traasverse ribs crossed by spiral lirae 

 and presentlug a beaded appearance, tlie interstices niar- 

 ked with very fine spiral striœ ; protoconch mamillary, 

 smooth; sutures deeply iinpressed; peristorae varicosely 

 thickened and bearing several denticles just inside the 

 aperture; aperture oval ; columella descendingin a curve 

 and also bearing several fine denticles, a well developed 

 tootli appearing near the top of the callosity which joins 

 the columella with the lip above ; canal short. Hab. New- 

 Caledonia. 



Related to N. ecstilba (1) Melv. and Stand, but difiering 

 rom tlial species in its larger size, in the beaded appea- 

 rance of the ribs caused by the spiral lirae and in the ab' 

 sence of the brown ochre blotch on the back of the shell, 

 the suture is also more deeply impressed Ihan in J\. ecs- 

 tilba and the smooth and mamillary protoconch is also 

 peculiar. 



NaSSA BERW IMMKREl U. Sp. 



l'esta ovato-conica, rubro-brunnea, fascia lutescente-alba 

 circumcincta. Anjr. 7, sutura impressa discreti, costis longi- 

 ttidinalibus superne juxta suturam nodulosis, et striis spirali- 

 bus sculpti. Aperturaovata. Labrumextusvaricosnm, incras- 

 satum, intus denticulis Miistructum. Columella arcuato, pos- 

 tice in canalem brevem desinens. Callum columellare supra 

 regionem umbilicarem paululum reflexum, superne valde in- 

 crassatum, dentés validos'2 : unum infh'um, alteruvi superum, 

 praebet. 



Alt. 9mm, 5 ; diam. maj. 5"^™. Apertura : ait. S^m, 5 ; 

 diam. 2^™. 



(1) Noies on a Collcclion of Shclls from Lifu and Uvea Loyaltv Is- 

 lands, elc. Pt II. Journ. nf Conch. vol. VIII n" 9. 



