1. Tornatella. Six species.

Shell thick, oval, convolute, the spire very short; the last whorl much

larger than all the others united; the external thin, sharp, dentated

interiorly; one or two large plaits on the columella, of which one

serves to separate the two parts of the foot.

Tornatella flammea.

T. solidula.

T. fasciata.

T. auricula.

T. nitidula.

T. pedipes.

_T. fasciata._ The banded Tornatella.

Spire produced, apex acute, aperture straightened, with one plait on the

columella; finely striated transversely, with two white transverse

bands; colour purplish red.

_T. coniformis._ The cone-shaped Tornatella. Pl. 22, fig. 3.

Species like a cone; the spire entirely flat.

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 183 / 258 题