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. hemicardium.

C. cardissa.

C. inversum.

C. Junoniæ.

C. lineatum.

C. edule. The edible Cardium, or common Cockle. Pl. [10], fig. 2.

Species not gaping, with about twenty-six depressed ribs and transverse obsolete scales; of a cream colour; beaks protuberant.

C. cardissa. Venus’s Heart.

Species heart-shaped, valves angularly flattened, umbones alternating.

C. lævigatum. The smooth Cardium.