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

M. donacina.

M. depressa.

M. lilacea.

M. trigonella.

M. deltoides.

M. crassatella.

M. gigantea. The gigantic Mactra.

Species in which the cardinal teeth are almost obsolete, in consequence of the enlargement of the pit of the ligament.

M. stultorum. The fool’s Mactra. Pl. [9], fig. 6.

Species in which all the teeth are very large, lamellous, striated longitudinally; colour reddish brown.