06 
CARDITA similis. 
TAB. CCXXXII.—Fig. 3. 
Spec. Cuar, Rhomboidal, gibbose, transversely 
costated ; anterior part separated by a pro- 
jecting serrated keel; lunette heart-shaped, - 
nearly flat ; beaks involute. 
a Sea 
So exactly does this shell resemble the last that it is dif- 
fieult to point out any other difference than the form of 
the lunette ; however the coste are less prominent over 
the sides, and the front is less pointed. 
I have not seen the interior of this shell, but from its 
close resemblance to the last it must belong to the same 
genus: itis also from Dundry, and in Mr. Miller’s col- 
lection. Both species have somewhat the contour of 
several Trigoniez ; hence the name similis is doubly ap- 
plicable to the present. 
