NERITA. 21 



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

 margin frequently plicate. Diam. 25-40 mill. 



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

 Australia, Polynesia. 



The synonyms ai*e N. maura, Recluz (fig. 43), N. histrio, Gmel' 

 (fig. 42), N. atrata, Lam. (last whorl entirely l)lack), and N. CJiem- 

 nitzii, Recluz. 



N. LoNGii, Recluz. PI. 3, figs. 44, 45. 



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

 covered with brownish or blackish maci;lations, sometimes obscurely 

 trifasciate; lip numerously toothed within, the upper two teeth 

 strong, columellar margin tridentate, area granular, outer margin 

 convexly raised, strongly plicate. Diam. 25-33 mill. 



Red Sea to Bombay. 

 N. HiNDsii, Recluz. PI. 3, figs. 46, 47. 



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

 sometimes intermediate much smaller ones, whitish, yellowish or 

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

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

 few granules. Diam. 16-20 mill. 



^ Philippines. 



N. PLANOSPiEA, Anton. PI. 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 zigzag strigations of brownish 

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

 columellar margin obtusely 4-dentate, area with a few granules, 

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



Indian Ocean, Japa^i, Australia, Polynesia. 



The synonyms are N. atropurpurea, Recluz, N. bizonalis, Morch, 

 and N. angularis, Hombr. and Jacq. 



N. RETICULATA, Karstcn. PI. 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 crossed by close growth-lines, whitish, 

 unicolored, or more frequently maculated, subtessellated or undu- 

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

 denticles, columellar margin slightly sinuous in the middle with 2 



