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.

by Thomas Wyatt

Callosity, a protuberance.

Callus, is composed of two short ribs, united at the base, and converging at the apex towards the hinder part of the shell.

Campanulate, bell-shaped.

Canaliculated, made like a pipe or gutter.

Cancellated, longitudinally and transversely ribbed.

Carinate, having a longitudinal prominence like the keel of a vessel.

Carinated, keeled.

Cartilage, a flexible fibrous substance by which the valves are united, situated near the beak.

Cauda, the elongated base of the venter, lip, and columella.

Cicatrix, the glossy impression in the inside of the valves, to which the muscles of the animal are affixed.