Report on the zoological collections made in the Indo-Pacific Ocean ...

MOLLUSCA. 103thirty-seven, the latter number being attained by the only smallspecimen (about a quarter the size of the adult shell) from PortMoIIo.Cardium unedo, Linn.38. Cardium (Hemicardium) unedo.Hah. Port MoUe, Queensland, on the beach.This species has a wide distribution, having been recorded fromthe Mauritius, Ceylon, Philippine Islands, Cochin China, Cambodja,West Australia, and it has also been met with at the Solomon, Piji,and other islands in the Pacific.39. Corbula tunicata.Hinds, Reeve, Conch. Icon. fig. 5.Hnh. Port Molle, 14 fms. ; Prince of "Wales Channel, Torres Straits,5-7 fms. ; Arafura Sea, N.W. coast of Australia, 32-3G fms., andPort Darwin, 8-12 fms. {Coppinger) ; Philippine Islands {Gaming) ;South Africa (Hinds) ; Port Jackson (Angus).40. Corbula fortisulcata.Smith, Proc. Zool. Soc. 1878, p. 819, pi. 50. figs. 23-23 b.Hah. Port Darwin, N.W. Australia, 8-12 fms., sand and mudbottom (Coppinger) ; Port Essington (Juices) ; and Andaman Islands( Wilmer).41. Corbula scaphoides.Hinds, Proc. Zool, Soc. 1843, p. 56 ; Reeve, Conch. Icon. fig. 24.Hah. Port Molle, Queensland, 14 fms. (Coppinger) ; Cape York,N. Australia, in 5 fms., muddy sand and sea-mud (./. Macgillivray inBrit. Mus.) ; Singapore and Philippine Islands (Hinds).The specimens described by Hinds were only half the length ofthe adult shells collected by Dr. Coppinger and Mr. Macgillivray.42. Lucina (Divaricella) ornata.Lucina ornata, Reeve, Conch. Icon. fig. 48.Lucina (Divaricella) angodifera, Martens, Moll. Mauritius, p. 321.pi. 22. fig. 14.Hah. Friday Island, Torres Straits (Coppinger); Port Jackson(./. B. Jukes in Brit. Mus.); coast of Africa (East or West?) (Capt.Owen, B.N., in Brit. Mus.) ; Mauritius (Rohillard) ; ? (Reeve).This species should, I think, be separated from the W^est-IndianL. dentata, Wood ( = L. divaricata. Lam. non Linn., = Z. senrda,d'Orb.), to which it has been united by Pfeiffer in the ' Conchjdien-Cabinct,' ed. 2, Yeneracea, p. 2G9.The incised lines are deeper, and form a more acute angle at thepoint of divarication. The type specimen is somewhat abnormal