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. ocellatum.

C. literatum.

C. atratum.

C. eburneum.

C. punctatum.

C. lima.

C. perversum.

C. vertagus. The curved beak Cerithium. Pl. [24], fig. 3.

Species with evidently a small canal, very short, and recurved obliquely towards the back.

C. aluco. The caterpillar Cerithium.