smith: on AUSTRALIAN MACTKID^. 141 



8. Mactua austrahs, Lamarck. B.M. 



Mactra australis, Lamarck, Anim. sans Vert., vol. v, p. 475, 1818. 

 M. 2)olita [Qihemmtz), Reeve, pi. x, fig. 39; Weinkauflf, p. 14, pi. iv, 



figs. 5, 6. 

 Trigonella polita^ Angas, Proc. Zool. Soc, 1865, p. 645. 



Hah. — Port King George, South-Wcstern Australia (Lamarck), 

 Spencer's Gulf and Encounter Bay, South Australia (Angas), Swan 

 River (Reeve), Port Denison (Weinkauff), Holdfast Ba}-, South 

 Australia and Adelaide (Brit. Mus.), St. Vincent and Spencer 

 Gulfs, Fowler Bay and Head of Great Australian Bight (Tate), 

 Gellibrand Coast, Cape Bridgewater, Portland, Victoria (Pritchard 

 and Gatliff). 



3Iactra australis in Dillwyn, 1817 (Cat., p. 141) is the My a australis, 

 Gmelin (Syst. nat., p. 3221) = Mya 7iovcB zelandice, Chemnitz. That 

 shell, however, is a Mesodesma. 



9. Mactra (Mactrinula) complanata, Deshayes. B.M. 



Mactra complanata, Deshayes, Proc. Zool. Soc, 1853, p. 14; Reeve, 

 pi. xii, fig. 54 ; Weinkauff, p. 27, pi. ix, fig. 3. 



Hah. — Australia (J. B. Jukes in Brit. Mus.), Indian Ocean 

 (Deshayes and Reeve), Ceylon (Weinkaulf). 



10. Mactra contrakia, Deshayes. B.M. 



Mactra cotitraria, Deshayes, Proc. Zool. Soc, 1854, p. 62; Reeve, 



pi. xvii, fig. 86. 

 Trigonella contraria, Angas, Proc. Zool. Soc, 1867, p. 316. 

 Mactra rugifera, Dunker, Novitat. Abth., ii, p. 41, pi. xiii, figs. 1-3. 



Hah. — ? (Deshayes), Port Jackson (Angas), Richmond River, New 

 South Wales (J. Brazier in Brit. Mus.), Swan River (Dunker). 



11. Mactra (Oxvperas) coppingeri, Smith. B.M. 



Mactra {Oxyperas) coppingeri, Smith, Rep. Zool. Coll. Alert, 1884, 

 p. 100, pi. vii, figs. d-d2. 

 Hah. — Thursday Island, Torres Straits, 4-6 fathoms (Brit. Mus.), 

 Queensland (Hedley). 



12. Mactra cuvierf, Deshayes. B.M. 



Mactra cuvieri, Deshayes, Proc. Zool. Soc, 1853, p. 17 ; Weinkauff, 



p. 117. 

 Mactra cumingii, Reeve, fig. 24 ; Weinkauff, pi. xxv, figs. 3, 3«. 



Hah. — Moluccas (Deshayes and Reeve), West Australia, Swan River 

 (Brit. Mus.). 



As pointed out by Weinkauff, this species was described by 

 Deshayes under the name cuvieri and not cumingii as stated by 

 Reeve. 



