SHELLS. 439 



outer edge of lip dark and crenated. Shell of a dark colour with- 

 out spots ; operculum covered with fine grains. 



Height 7 5 lines. 

 Breadth 6 lines. 

 Hab. South Sea Islands. 



PLATE XXXVIII. Figs. 12, 13. 

 NEBITA N0V^-0ALm)0NI2E, Baird. 



Shell obliquely narrowly ovate, rather ventricose ; spire very 

 small ; whorls 3 in number, first minute but rather prominent 

 smooth and shining, last whorl large, constituting by far the 

 greatest part of the shell, spirally ribbed ; ribs rather large, 

 interstices densely concentrically striated ; columella area glassy, 

 smooth, indistinctly toothed ; labrum with a yellowish margin, 

 somewhat channelled at top. Shell itself of a dull yellowish 

 colour, tesselated with spots of black ; operculum densely granu- 

 lated. 



Height about 6 lines. 

 Ereadth 4 lines. 

 Hab. New Caledonia. 



Eesembles somewhat in shape iV. musiva, Gould. 



