p. 1

[blue ruled paper; worn embossing at u.l.: SUPERFINE LAID PAPER [scrolling banner surrounding text]]

Orbicula coelata, Hall, Pal. of
N.Y. Vol. 1 p. 290 pl. 79 fig. 9.

Orbicular, small; apex ex-
centric, depressed along the centre,
subplicated near the margins;
surface marked by fine concentric
lines and minute elevated points,
giving it the appearance of being
covered by a poriferous coral. - by
which it is readily distinguished.

D 0.10 & 0.12