444 TEE CRUISE OF TEE ' CUBAQOA: 



PLATE XL. Figs. 1, 2. 

 MELANIA BBENCELEYI, Baird. 



Shell ovate, pyi-amidal ; apex much corroded, remaining whorls, 

 4 or 5 in number, rounded, lo\\3r ones perfectly smooth, upper 

 delicately concentrically grooved ; colour greenish-yellow with 

 occasional longitudinal streaks of dark brown ; mouth oval, of a 

 leaden hue within ; columella white, small, and suddenly turning 

 into the inner body of shell. 



Length from 6^ to 7i lines. 

 Breadth about 3^ or 4 lines. 

 Hab. Upolu, Samoan group, and Tongatabu, Friendly Islands. 



Var. delicatula Baird, Plate" XL., figs. 3, 4. 



Shell smaller and more delicate, thin, transparent, and dark 

 brown, streaks more decidedly shown ; apex much corroded, 

 remaining whorls only 3 or 4. 



Length about 5 lines. 



Breadth 2^ lines. 



Hab. Tutuila, Samoan group. 



