The Conchologist's First Book / A System of Testaceous Malacology, Arranged Expressly for the Use of Schools, in Which the Animals, According to Cuvier, Are Given With the Shells, a Great Number of New Species Added, and the Whole Brought Up, as Accurately as Possible, to the Present Condition of the Science.

by Edgar Allan Poe; Thomas Brown

Lenticulate, doubly convex.

Ligament, a solid body which connects the valves in bivalves.

Linear, composed of lines.

Linguiformed, tongue-shaped.

Lip, the outer edge of the aperture of univalves.

Lobated, rounded at the edges.

Longitudinal, the length of the shell.

Lunated, formed like a half moon.

Lunule, crescent-like.

Luniform, shape of a crescent.