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

Decorticated, divested of epidermis.

Decussated, lines intersecting each other.

Deflexed, bent aside.

Dentated, having teeth.

Depressed, shallow, flat.

Diaphanous, clear, pellucid.

Digitated, having finger-like claws.

Disk, the highest part of the valves.

Divaricated, spreading out.

Divergent, tending to a point.