TELLINA.—Prate XIX. 
THE MARGINAL TELLINA. Shell ovate-subtrigonal, so- | Drtuwyn, Desc. Cat. p. 74. 
lid, convex, inequilateral, white, rayed with pink, | //ad. Indian Ocean. 
rays evanescent near the margin; posterior side Higher and more ventricose than 7. judar, with the 
flexuous, beaked, biangular, with dorsal male slop- ventral margin rising upwards to the posterior angle and 
ing, and the end acuminated, ventral margin sloping 
upwards to the angle, arched in the middle; ante- 
rior side convex, sloping, lateral teeth remote. 
contracting so as to form a beak. 

