Species fusiform, volutions tuberculated, ventricose; reddish fawn coloured, with transverse double, slightly undulated lines; inside of aperture with reddish striæ.
F. filamentosa. The threaded Fasciolaria.
Species turreted and tuberculated.
6. Fusus. Thirty-six species.
Likewise taken from the Murex; they are marine shells, of an elongated fusiform shape, with whorls ventricose in the middle or at the lower extremity.
Shell covered with epidermis, rough, fusiform, or ventricose in the middle; prolonged behind by the spire, but particularly forward by the canal; aperture oval; the columellar edge straight or nearly so; the exterior edge sharp; operculum oval, horny, with sub-concentric elements, and summit lateral.
Fusus colosseus.
F. longissimus.
F. colus.
F. tuberculatus.