14: C. impudica, Lam.
15: As Donax.
16: V. corbis, Lam.
17: As Tapes.
18: V. textile, Lam.
19: ? Arca Helblingii, Chemn.
20: Mr. Cuming informs me that he has forwarded no less than six distinct Uniones from Ceylon to Isaac Lea of Philadelphia for determination or description.
21: M. smaragdinus, Chemn.
22: As Avicula.
23: The specimens are not in a fitting state for positive determination. They are strong, extremely narrow, with the beak of the lower valve much produced, the inner edge of the upper valve denticulated throughout. The muscular impressions are dusky brown.