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

F. Græca. The Greek Fissurella. Pl. [32], fig. 1.

Conical, ovate oblong; striæ cancellated and elevated; sections tuberculated; exterior yellowish brown or clouded, interior white or light blue.

4. Pileopsis. The Caplike Limpet. Four species.

Easily distinguished by its form, which gave rise to the common name.

Shell oblique, sharp pointed; cone bent forward, with a recurved, almost spiral summit, finely striated longitudinally and slightly wrinkled transversely; aperture a round oval; the margin at the base nearly round, more or less regularly crenated and indented, interior with a lengthened, arched, transverse muscular impression.

Pileopsis ungarica.

P. mitrula.

P. intorta.

P. subrufa.

P. ungarica. The Fool’s Cap.