XKIUTA. 21 



convex, witli a few more or less elongated granules below, the outer 

 margin frequently plicate. Diam. 25-40 mill. 



Indian Ocean, Mauritius, E. Africa, East Indies, Philippines, 

 .1 a. -i i -til id, Polynesia. 



The synonyms are N. nuiuni, IJcclu/ (Tig. 4-'5j, N. histrio, Gmel* 

 Mig. 42), N.atrata, Lam. Hast whorl entirely black;, and A r . <!ln:in- 

 nitzii, Ueclu/. 



N. Lo.vni, Rcdu/. PI. :;, figs. 44,45. 



With rather wide, close;, smooth, rounded ribs, yellowish, well 

 covered with brownish or blackish maculat ions, sometimes obscurely 

 t rif'a.-ciate; lip numerously toothed within, the upper two teeth 

 strong, columellar margin tridentate, area granular, outer margin 

 eonvexly rai.-ed, strongly plieat<\ Diam. 2~>-.V\ mill. 



llt'.d tiea to Bombay. 

 N. HIM>SII, Keclu/-. PI. :;, fi-s. 40, 47. 



With rather distant thread-like, granularly rugose lirse, and 

 sometimes intermediate much smaller ones, whitish, yellowish or 

 greyish, punctate and maculated with black; aperture white, col- 

 umellar margin minutely two to four toothed, area flattened, with a 

 few granules. Diarn. 10-20 mill. 



Philippines. 

 N. i-LANosi'iitA, Anton. PL 3, fig. 48. 



Shell flattened above, with an obtuse shoulder angle, with' ele- 

 vated, rounded, somewhat irregular, thread-like riblets, and fre- 

 quently much smaller intermediate lines, yellowish grey or light 

 purplish, with maculations, bands or /ig/a.^ Strigations of brownish 

 black or purplish black; aperture yellowish white, lip teeth obsolete, 

 columcllar margin obtusely l-dentate, area with a few granules, 

 outer margin with a long blotch of black. Diam. 20-30 mill. 



Indian Ocean, Japan, Australia, Polynesia, 



The synonyms are N. atropurpurea, Recluz, JV. bizonalis, Mo'rch, 

 and N. angularif, Hombr. and Jacq. 



N. BETICULATA, Karst(;n. PL 3, figs. 49, 50. 



With very irregular crowded spiral sculpture, often with inter- 

 mediate smaller threads, or with a pair of smaller lines between 

 each pair of ribs, rugosely -Tossed by close, growth-lines, \vhhish, 

 unicolored, or more frequently maculated, subtessellated or undu- 

 latingly slrigato with red or black; lip with numerous small plicate 

 denticle.-, columcllar margin slightly sinuous in the middle with 2 



