A Manual of Conchology / According to the System Laid Down by Lamarck, with the Late Improvements by De Blainville. Exemplified and Arranged for the Use of Students.

by Thomas Wyatt

D. olearium.

D. maculatum.

D. fasciatum.

D. pomum.

D. variegatum.

D. perdix.

D. perdix. The Partridge Dolium. Pl. [29], fig. 4.

Species sub-umbilicated, ovate-oblong, thin, thickly ribbed, and convex; colour reddish brown, clouded and spotted with white.

D. galea. The brown Tun.

Species not umbilicated; sometimes exceeds ten inches in diameter.