156 
Pin ct ad a physoides, Lamarck. — Avicula physoides , Lamarck, 
An. s. vert., VI., 1819, p. 149 ; Menke, Moll. Nov. Holl., 1843, 
p. 36. Carnac Is. ; Dunker, Conch. Cab., VII., 18/2, p. 25, pi. 8, 
f. 2-3. 
Pinctada sugillata, Reeve. — Avicula sugillata , Reeve, Conch. 
Icon., X., 1857, pi. 9, f. 27, and A. fimbriata , f. 25. North-West 
Australia. 
Pinctada vibens, Lamarck. — Avicula virens , Lamarck, An. s- 
vert., VI., 1819, p. 150. “ Terre d Endracht ” ; Chemnitz, Conch. 
Cab.,’ VIII., 1785, p. 136, pi. 80, f. 721. 
Pinctada vttlgabis, Schumacher. — Perlamater vulgaris , Schum- 
acher, Nouv. Syst. ver. test,, 1817, p. 108, pi. 20, f. 8 ; Jameson, 
Proc. Zool. Soc., 1901, p. 385. Sharks Bay. 
Pinctada zebba, Reeve. — Avicula zebra , Reeve, Conch., Icon., 
X., 1857, pi. 11, f. 36 ; Von Martens, Forsch. Gazelle, III., 1889, 
p. 185, 45-60 fath. Dirk Hartog. 
Malleus malleus, Linne. — Ostrea malleus , Linne, Syst. Nat. 
X., 1758, p. 699 ; Chemnitz, Conch. Cab., VIII., 1785, p. 8, pi. 70, 
f. 655 ; M. vulgaris , Menke, Moll. Nov. Holl., 1843, p. 36, W.A. ; 
Iredale, Proc. Zool. Soc., 1914, p. 666. Monte Bello Is. 
Malleus begulus, Forskal. — Ostrea regulus , Forskal, Descr. 
Anim., 1775, p. 124 ; M. vulsellatus, Brazier, P.L.S.N.S.W., IX., 
1884, p. 803. Cossack. 
Family — V ulsellidce . 
Vulsella vulsella, Linne. — Mya vulsella , Linne, Syst. Nat., 
X., 1758, p. 671 ; 
f. 12. Swan River 
V. rudis , Reeve, Conch. Icon., XL, 1858, pi. 2 
; Verco, Trans. Roy. Soc. S.A., XXXVI., 1912, 
p. 205. Geraldton. 
Family — Ostreidce. 
Ostbea cucullata, Born, Test Mus., Caes. Vindob., 1780, 
pi. 6, f. 11-12 ; O. australis , Lamarck, An. s. vert., VI., 1819, p. 280, 
King George's Sound ; Iredale, Proc. Zool. Soc., 1914, p. 666. 
Monte Bello Is. 
Ostbea angasi, Sowerby, Conch. Icon, XVIII., 1871, pi. 13, 
f. 27 ; O. hippopus, Menke, Moll, Nov. Holl., 1843, p. 35. King 
George’s Sound. 
Ostbea tbapezina, Lamarck, An. s. vert., VI., 1819, p. 208, 
Sharks Bay. 
Family — U nionidee. 
Diplodon ambiguus, Philippi. — Unio ambiguus, Philippi, 
Abbild. Besch., III., 1847, p. 47, pi. 3, f. 2. Canning River (W.A. 
Museum). 
Family — Trigoni idee . 
Neotbigonia mabgabitacea, Lamarck. — Trigonia margaritacea 
Lamarck, Anal, Mus., IV., 1804, p. 355, pi. 67, f. 2. Onslow 
(A. U. Henn). 
