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

Annulated, divided into rings.

Annulations, rings.

Aperture, the orifice or opening of the shell.

Apex, the point of the spire.

Approximating, approaching together.

Arcuated, of an arch form.

Area, surface between the lines.

Articulations, junctures or joints.

Attenuated, thin, slender.

Aurated, having ears, as the Pecten.