436 TEE CRUISE OF THE ' CUEAQOA.' 



PLATE XXXVin. Figs. 1, 2. 



NASSA BIFABIA, Baird. 



Shell ovately conical, rather soUd, light-coloured, stained here 

 and there with brown ; whorls 7 in number ; last whorl smooth, 

 shining, flexuosely ribbed ; ribs distant, coronated round the 

 suture, sulcated at the base with 5 or 6 grooves ; the other 

 six whorls small densely granosely reticulated ; penultimate 

 whorl coronated, others not so ; sutures distinct ; columella 

 smooth, not callous, twisted at the base ; outer lip simple, 

 grooved interiorly, emarginated and toothed at its junction with 

 the body whorl. 



Length of shell from 6 to 7 lines. 

 Breadth from 4 to 4^ lines. 

 Hub. New Caledonia. 



? An Nassa acuticostata, var. Mantrouzier. 



PLATE XXXVIII. Figs. 3, 4. 

 PHASIANELLA WISEMANNI, Baird. 



Shell small, oval, polished ; whorls 5i ; apex rather obtuse and 

 blackish ; the remaining whorls yellowish with transverse pink 

 bands, the body-whorl having 7 or 8 of these, and also marked 



