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

Shell oval, thick, generally tuberculated; spire short; the last whorl much greater than all the others united; aperture oval, greatly dilated, terminated anteriorly by a canal short, oblique, and notched at the extremity; the columellar edge almost straight, covered with a callosity pointed anteriorly; operculum horny, flat, almost semicircular, with transverse striæ slightly marked; the summit behind.

Purpura Persica.

P. Rudolphi.

P. patula.

P. collumellaris.

P. succincta.

P. consul.

P. armigera.

P. bitubercularis.

P. hippocastanum.