plicae

[PLICATULA MARGINATA] Shell strong and thick, but rather small; valves sub-equal, ovate, wedge-form, with three strong radiating plicae.

Report of the North-Carolina Geological Survey. Agriculture of the Eastern Counties: Together with Descriptions of the Fossils of the Marl Beds 1858

Their section is circular with an inner pair of opposed carinae; and their surface is subdivided into numerous narrow planes and provided with a few vertical interrupted plicae, which are more numerous internally.

Report of the North-Carolina Geological Survey. Agriculture of the Eastern Counties: Together with Descriptions of the Fossils of the Marl Beds 1858

[GALEODIA HODGII] Shell rather thick; elliptical, obtuse; whirls about five, inflated, and ornamented with numerous fine spiral lines, which are quite prominent at base; these, with the fine lines of growth, give the surface a cancellated appearance; collumellar lip marked with many irregular plicae; aperture nearly twice the length of the spire.

Report of the North-Carolina Geological Survey. Agriculture of the Eastern Counties: Together with Descriptions of the Fossils of the Marl Beds 1858

From the teeth of Mososaurus those of Pliogonodon differ in their narrower proportion, their straightness, their circular transverse section, their relatively narrower planes, and in their possession of plicae.

Report of the North-Carolina Geological Survey. Agriculture of the Eastern Counties: Together with Descriptions of the Fossils of the Marl Beds 1858

I left them hastily somewhere in the area of the mucous membrane of the small intestine ( "including that of the plicae circulares") and reverting to my rapidly proliferating list, journeyed back more than 1,360 tempting pages to chorion, only to find myself and it deeply involved with the fetus of mammals.

VERBATIM: The Language Quarterly Vol XIV No 3 1988