The internal coat was plicated, as if too large for the lumen.
The foot is very large and strong, and the mantle margin is both papillaceous and plicated.
We have in this genus smooth and plicated, cylindrical and depressed varieties of most of the species.
Branchi.These are narrow, hardly at all plicated, elongated, being about half as long as the sack.
The latter opens into the large stomach with plicated walls, extending almost to the hind end of the animal.
Shells are said to be plicated when characterized by angular bendings or foldings in their surface, as shewn in cut, fig. 95.