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

C. fimbriata.

C. multilabris.

C. elegans.

C. truncatulum.

C. elegans. The elegant Cyclostoma. Pl. [19], fig. 5.

Species with spire slightly elevated, ovate, conical, umbilicated; volutions convex; finely striated transversely.

C. fasciata. The banded Cyclostoma.

Species with spire very elevated.

C. Planorbula. The Planorbis-shaped Cyclostoma.

Species with spire very depressed.