C. mendicaria.

C. turturina.

C. punctata.

C. unifascialis.

C. strombiformis. The Strombus-shaped Columbella. Pl. [29], fig. 6.

The type of this genus, partly characterized by its name.

C. mercatoria. The merchant Columbella.

Ovate, white, sulcated, transversely clouded with brown or yellow; outer lip dentated internally.

2. Mitra. The Mitre Shell. Eighty species.

A numerous and elegant genus of shells, separated by Lamarck from the Voluta on account of possessing several strong distinctive characters. The spire is always pointed, and the columellar plaits, diminishing in size, are always transverse and parallel to each other.