440 TETi! GBJJI8E OF THE ' CUBAQOA.' 



PLATE XXXIX. Figs. 1, 2. 



BYDBOCENA 8IMILI8, Baird. 



Shell small, ovate, smooth, of a horny colour; whorls 5 in 

 number, apex rather pointed, last whorl rather more than half 

 the length of the shell, rounded, mouth semilunar, rimate, not 

 perforated ; peristome simple ; columella thickened, rather re- 

 reflexed, edges not continuous. 



Height 1^ lines. 

 Breadth scarcely 1 line. 

 Hab. Samoan group. 



PLATE XXXIX. Fias. 3, i. 



. BEALIA (OMPHALOTBOPIS) L^VIS, Baird. 



Shell conical, oval, of a light amber colour, perfectly smooth ; 

 whorls 5^ in number, last whorl exceeding in length all the others 

 combined; apex blunt; suture defined, narrow; umbilicus of a 

 moderate size, surrounded with a rather strongly elevated carina ; 

 mouth oval, peristome continued, outer lip doubled externally ; 

 interior of month of same colour as external surface of shell. 



Height 2 lines. 

 Breadth 1 line. 

 Hab. Samoan group. 



