326 
faintly and broadly emarginate, just beneath the suture, smootb within; columella a trifle 
oblique, tinged with brown, a little convex or swollen at the middle, covered with a thin 
callus with a defined margin, wbich unites at the upper extremity with the termination 
of the outer lip; basal canal short, ruther deep, and in a slight measure recurving. 
Long. 4, diam. 1,5 mm. 
Columbella (Zafra) subvitrea Edg. A. Smith Pr. Z. S. 1879 p. 209 
t. 20 f. 43. 
Japan. 
