SHELLS. 441 



PLATE XXXIX. Figs. 5, 6. 



BJEALIA (OMPHALOTBOPLS) VAVAUENSIS, Laird. 



Shell conically oval, of a dirty white colour; whorls 6, obscurely 

 longitudinally striated, apex rather blunt, last whorl about equal 

 in length to all the others combined, very obscurely carinated ; 

 suture well defined ; mouth ovate, umbilicus restricted, sm'rounded 

 by a raised keel, peristome continued, outer lip slightly expanded ; 

 interior of mouth of a slightly reddish colour. 



Height 2^ lines. 



Breadth 1^ lines. 



Hah. Vavau, Friendly Islands. 



PLATE XXXIX. Figs. 7, 8. 



BEALIA (OMPHALOTROPIS) BICABINATA, Baird. 



Shell ovate, conical, rather stout, smooth, horn-coloured ; 

 whorls 6 in number, apex rather obtuse, last whorl with two 

 keels, one surrounding the middle of it, the other immediately 

 beneath the suture ; umbilicus distinct, and surrounded by a 

 rather strong raised keel ; mouth rounded, oval, peristome simple, 

 the outer lip above nearly touching the median keel. 



Length 2 lines. 



Breadth 1|- lines. 



Hab. Savage Island, and Tongatabu. 



