348 DONACID^. 



Mesodesma cornea, Poli (not Lamarck). 



Mactra cornea, PoLi, Test. Sicil. vol. ii. pi. 19, f. 8 to 11. 



Donud' plehcia, Pulteney, Hutchins Hist. Dorset, p. 32 Mont. Test. Britan. 



p. 107, pi. 5, f. 2.— Dorset Catalog, p. 34, pi. 5, f. 13.— Tuut. 

 Conch. Diction, p. 42. — Turt. Dithyra Brit. p. 126. — Flem. 

 Brit. Anim. p. 434. — Dillw. Recent Shells, vol. i. p. 152. — 

 Index Testaceolog. pi. C, Donax, f. 9. 

 Amphidcsvia Donacilla, Lam. Anim. s. Vert. (ed. Desh.) vol. vi. p. 126. 

 Erycina pklcia, Sowerby, Genera Shells, Erj'cina, f. 3. — Sowekbv, Conch. 



Manual, f. 86. 

 Mesodesma Donaeillum, Desh. in Lam. Anim. s. Vert. (ed. Desh.) vol. vi. p. 

 133. — Brit. Marine Conch, p. 53. — Reeve, Conch. 

 System, pi. 45, f. 5. — Hanl. Recent Shells, p. 39, 

 suppl. pi. 11, f. 41. — Philippi, Moll. Sicil. vol. ii. 

 p. 29. — Desh. Exp. Sclent. Algerie, Moll. pi. 39, 40, 

 41, 42. (shell and animal). 

 Dcmacilla Lamarclcii, Philippi, Moll. Sicil. vol. i. p. 37. 



An inhabitant of the Mediterranean ; introduced hy Dr. Pidte- 

 ney as taken at Weymouth. The original specimens of plebeia are 

 still 2yreserved in the doctor's collection at the Linnean Museum, 

 and are clearly identical (which some have doubted) with the 

 Donacilla of Lamarck. 



