Turgid, swollen.
U & V.
Valve, the whole of univalve shells, of shells in one piece; and the half of bivalves, or shells in two divisions, &c.
Varices, longitudinal ribs in univalve shells.
Variety, is when one species differs some little degree from that of another.
Vaulted, like the roof of one’s mouth.
Venter, the belly, situated in the body of the shell; being the most prominent part when the aperture is turned to the observer.
Ventral, belonging to the belly.
Ventricose, inflated, swelled in the middle.
Vermiform, worm-shaped.