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

5. Volvaria. Five species.

The connecting genus between those shells that have a columella and those that are evolved upon their own axis. Distinguished from the Marginella by not having a thickened outer lip. The shells are marine, and generally very small.

Shell cylindrical, convolute; spire obsolete or concealed; aperture narrow, the whole length of the shell, with one or more plaits on the columella at the lower part.

Volvaria monilis.

V. pallida.

V. triticea.

V. oryza.

V. miliacea.

V. monilis. The Necklace Volvaria. Pl. [29], fig. 5.

Species greatly involuted; aperture very narrow and very long; plaits on the anterior part of the columellar edge; the exterior edge thin.