Closely allied to the Corbula.
Pandora rostrata.
Pandora obtusa.
_P. rostrata._ The beaked Pandora. Pl. 6, fig. 3.
Shell white, regular, elongated, inequivalve, inequilateral; right or
upper valve entirely flat, with a plait or fold; much produced towards
the beak; hinge anomalous, formed by a transverse cardinal tooth on the
right valve, entering into a corresponding cavity on the left; ligament
internal, oblique, triangular, inserted in a pit rather deep, with edges
a little projecting on each valve; two rounded muscular impressions.
FAMILY VII.
LITHOPHAGI. Three genera.