BY PROFESSOR RALPH TATE AND JOHN BRAZIER, C.M.Z.S. 567 



Genus Cyrena. 



fallax, Deshayes, Proc. Zool. Soc, p. 19, 1854. — Australia and 



Philippines, 

 placida, Deshayes, id. — Port Curtis, 

 affinis, Deshayes, id. — Australia, 

 ventricosa, Deshayes, id. — Australia and Philippines. 

 Essingtonensis Deshayes, id. — Port Essington. 

 Jukesii, Deshayes, id. — Cape Upstart, 

 oviformis, Deshayes, id. — Port Essington and Philippines, 

 eximia, Dunker, Zeit. Malak., p. 51, 1852. — Australia and Java. 



cyprinseformis, Prime, Ann. Lye. Nat. Hist., N.Y., VIII., p. 88, 



f. 37, 1864.— Australia, 

 rugulosa, Mousson, Paetel, Cat. der Conch, p. 140, 1873. — Cape 



York. 



Spurious species of Cyrena. 



impressa, Deshayes, P.Z.S., p. 18, I854=eximia. 



Family UNIONIM}. 



Genus Mycetopus. 



rugatus, Soiverly, Eeeve, Conch. Icon. t. 17, f. 7; Smith. — 

 Victoria Eiver, Voy. " Erebus and Terror," t 4, f. 1, 1874. 



Genus Unio. 



depressus Lamarck, An. s. Vert., VTI , p. 79 ; Lesson, Voy. Coq., 



t. 15, f. 5. — E. Nepean. 

 Danellii, Villa, J. de Conchyl., XIX., p. 328, 1871.— E. Yarra, 



Victoria, 

 australis, Lamarck, id., p. 80. — New Holland ; MenJce, Moll. 



Nov. Holland.— E. Avon (W. Aust.) 

 profugus, Gould, " Otia," p. 88, 1850; ed., U.S. Explor. Exp., 



t. 37, f. 5, p. 42, 1852.— Hunter E. (N.S.W.) 

 cultelliformis Conrad, Acad. Sc. Philad. Proc, V., p. 10, and 



Journ. 2nd Ser., II., p. 295, t. 26, f. 2.— E. Bogan (N.S.W.) 



