V. mitræformis.

V. Æthiopica. The Æthiopian Volute. Pl. [30], fig. 2.

Species large, oval, convex, ventricose; spire papillary, with whorls coronated with elevated hollow spines.

V. musica. The music Volute.

Species oval, marked like musical notes set in scores on its surface; spire sub-tuberculated.

V. Magellanica. The Magellan Volute.

Species sub-fusiform, elongated, and sub-turreted; no spines or tubercles on the whorls.

4. Marginella. Twenty-four species.

Distinguished from the Voluta, from which it was taken, by having the outer lip thickened.

Shell smooth, polished, ovate, oblong, sub-conic, spire short and papillary; aperture narrow, sub-ovate, by a light curve of the right edge, which is inflated or reflected, slightly notched anteriorly; the columellar edge marked with three distinct oblique plaits.