5. Fasciolaria. Eight species.

This genus was separated by Lamarck from the Murex of Linnæus on account

of having no varices.

Shell fusiform or sub-fusiform; aperture middling, elongated, almost

symmetrical, terminated by a rather long straight tube; external edge

sharp; the columellar edge with two or three oblique plaits.

Fasciolaria tulipa.

F. distans.

F. trapezium.

F. aurantiaca.

F. coronata.

F. filamentosa.

F. ferruginea.

F. tarentina.

_F. tulipa._ The tulip Fasciolaria. Pl. 25, fig. 4.

Species fusiform, not tuberculated.

_F. trapezium._ The striped tower Fasciolaria.

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.

A Manual of Conchology According to the System Laid Down by Lamarck, with the Late Improvements by De Blainville. Exemplified and Arranged for the Use of Students. · 第 199 / 258 题