169 
Mactra trigonella, Lamarck, An. s. vert., V., 1818, p. 479, 
and Encycl. Meth., pi. 259, f. 2. Sharks Bay. 
Mactra pura, Reeve, Conch. Icon., VIII., 1854, pi. XII., f. 
53 ; Smith, Proc. Malac. Soc. XI., 1914, p. 147. Swan River, Eucla. 
Mactra helvacea, Chemnitz, Menke-Moll. Nov. Holl., 1843, 
p. 45 — erroneously ascribes this European species to W. Australia. 
Lutraria rhynchaena. Jonas, Zeit, f. malak., I., 1844, p. 34 ; 
Reeve, Conch. Icon., VIII., 1854, pi. 3, f. 10. Swan River. 
Family — Mesodesmatidce. 
Amphidesma cornea, Lamarck. — Amphidesma corneum, Lamarck 
An. s. vert., V., 1818, p. 491 ; Delessert, Recueil, 1841, pi. 4, f. 5 ; 
Menke, Moll. Nov. Holl., 1843, p. 45. W. Australia. 
Amphidesma heterodon, Reeve, Mesodesma heterodon. 
Conch. Icon., VIII., 1854, pi. 2, f. 13. N.W. Australia. 
Amphidesma lanceodata, Reeve, Mesodesma lanceolata. 
Conch. Icon., VIII., 1854, pi. 4, f. 25. N.W. Australia. 
Amphidesma nitida, Reeve, Mesodesma nitida, Conch. Icon., 
VIII. , 1854, pi. 1, f. 6. Swan River. 
Amphidesma precis a, Reeve, Mesodesma prsecisa, Conch. 
Icon., VIII., 1854, pi. 4, f. 31 ; Tate, Trans. Phil. Soc., Adelaide, 
II., 1879, p. 138. King George’s Sound. 
Family — Corbulidce. 
Corbula crass a, Hinds, Proc. Zool. Soc., 1843, p. 55 ; Hinds, 
Zool. Sulphur Moll., 1845, p. 67, pi. 20, f. 13 ; Brazier, P.L.S.N.S.W., 
IX. , 1884, p. 799. Cossack. 
Corbula semen, Lamarck, An. s. vert., V., 1818, p. 497. 
King George’s Sound. 
Corbula thecoida, Jonas, Zeit, f. malak., 1844, p. 185. W. 
Australia. 
Family — Saxicavidce. 
Saxicava australis, Lamarck. — Corbula australis , Lamarck, 
An. s. vert., V., 1818, p. 495 ; Blainville, Malac., pi. 78, f. 3 ; Brazier, 
P.L.S.N.S.W., IX., 1884, p. 799. Cossack. 
Family — Pholadidce . 
Martesia australis. Gray, Ann. Mag. Nat. Hist., (2), VIII., 
1851, p. 384. N.W. Australia. 
Martesia multistriata, Sowerby. — Pholas multistriata, 
Sowerby, Thes. Conch., II., 1849, p. 494, pi. 104, f. 35-36. Turtle 
Island. 
Martesia obtecta, Sowerby. — Pholas obtecta, Sowerby, Thes. 
Conch., II., 1849, p. 496, pi. 108, f. 80-81. Turtle Island. 
Pholas australasde, Sowerby, Thes. Conch. II., 1849, p. 
488, pi. 106, f. 73 ; Verco. Trans. Roy. Soc., S.A., XXXVI., 1912, 
p. 205. Geraldton. 
