450 TEE CEUISE OF THE ' CUEAQOA.' 



PLATE XLI. Figs. 9, 10. 



HELIGINA STBIGATA, Balnl 



Shell depressed, rather thin, smooth with the exception of a few 

 remote circular striae on upper sm-face of two lower whorls, white, 

 with straight reddish lines or bands running longitudinally over 

 the upper surface of the two last whorls ; under surface brown 

 coloured, lines not appearing on it ; mouth semi-lunar ; callus 

 circumscribed, rather thick, surrounded with an impressed line ; 

 whorls 3^ in number, last whorl obscurely keeled on periphery. 



Greatest diameter 2 lines. 



Least diameter If lines. 



Height 1^ lines. 



Hah. Upolu, Samoan Group. 



Like niusiva of Gould, but the white lines on the body of the 

 shell are differently disposed, and the shell itself is much more 

 depressed. 



HELICINA NOr^ CALEDONIA, Baird (not figured). 



Shell conic, somewhat top-shaped, of a dirty white or reddish 

 colour ; whorls 4^, convex, smooth, marked with very fine stria3 

 running longitudinally, and obliquely crossed with exceedingly 

 fine lines only visible under a lens ; apex pointed, last whorl large, 

 rounded on peripheral margin ; under smface striated like the 

 upper ; callus very large, dirty white, extending from the tip of 

 columella to external margin of peristome, very thick and sharply 

 defined ; mouth oval, lip expanded, white, sharp edged ; operculum 

 shelly. 



Greatest breadth 3 lines. 

 Least breadth 2^ lines. 

 Height 2| lines. 

 Hab. New Caledonia. 



