D. cinatinum.
D. Martinicensis.
D. cardioides.
D. scortum. The beaked Donax. Pl. [8], fig. 4.
Species oval, of which the posterior side is sub-truncated; with decussated and muricated striæ.
D. trunculus. The common Donax.
Oblong, glossy, finely striated longitudinally, transversely banded and radiated with purple; white, clouded with purple within; internal margin of the valves distinctly dentated or crenulated.
D. denticulata. The denticulated Donax.
Species of which the posterior side is truncated; furrowed from the summit to the base.