IPI 



B U C C I N U M. 



A. Inflated, rounded, thin, subdiaphanous and 



brittle. (Plate XVI. fig. 1.) 



B. With a short exserted reflected beak ; lip 



unarmed outwardly, (fig. 2.) 



C. Outer lip prickly on the hinder margin : in 



other respects as B. (fig. 3.) 



D. Columellar lip dilated and thickened. 



(fig. 4.) 



E. Columellar lip appearing as if worn flat. 



(fig- 5-) 



F. Smooth, and not enumerated in the former 



divisions, (fig. 6.) 



G. Angular, not previously enumerated. 



(fis-7.) 

 H. Tapering, subulate, smooth, (fig. 8.) 

 Shell univalve, spiral, gibbous. Aperture ovate, 

 ending in a canal turned to the right, i.e. from 

 the exterior lip, with a short rostrum or beak. In- 

 terior lip flattened. 



