MOLLrsCA. 103 



thirty-seven, the latter number being attained by the only small 

 specimen (about a quarter the size of the adult shell) from Port 

 Molle. 



38. Cardium (Hemicardium) imedo. 



Oardium unedo, TAnn. 



Hah. Port Molle, Queensland, on the beach. 



This species has a wide distribution, having been recorded from 

 the Mauritius, Ceylon, Philippine Islands, Cochin China, Cambodja, 

 West Australia, and it has also been met with at the Solomon, Fiji, 

 and other islands in the Pacific. 



39. Corbula tuaicata. 



Hinds, Reeve, Conch. Icon. fig. 6. 



Hah. Port Molle, 14 fms. ; Prince of Wales Channel, Torres Straits,' 

 5-7 fms. ; Aiafura Sea, N.W. coast of Australia, 32-36 fms., and 

 Port Darwin, 8-12 fms. {Goppinger) ; Philippine Islands (Cuming) j 

 South Africa (Hinds) ; Port Jackson (Angai). 



40. Corbula fortisTilcata. 



8mith, Proc. Zool. Soc. 1878, p. 819, pi. 60. figs. 23-23 6. 



Hah. Port Darwin, N.W. Australia, 8-12 fms., sand and mud 

 bottom ( C(yppinger) ; Port Essington (Jukes) ; and Andaman Islands 

 ( Wilmer). 



41. Corbiila scaphoides. 



Hinds, Proc. Zool. Soc. 1843, p. 66 ; Seeve, Conch. Icon. fig. 24. 



Hah. Port Molle, Queensland, 14 fms. (Coppinger) ; Cape York, 

 N. Australia, in 5 fms., muddy sand and sea-mud (J. Macgillivray in 

 Brit. Mus.) ; Singapore and Philippine Islands (Hinds). 



The specimens described by Hinds were only half the length of 

 the adult shells collected by Dr. Coppinger and Mr. MacgOlivray. 



42. Luciua (Divarlcella) oruata. 



Lucina ornata, Seeve, Conch. Icon. fig. 48. 



Lucina (DivariceUa) anguHfera, Martens, Moll. Mauritius, p. 321. 

 pi. 22. fig. 14 



Hah. Eriday Island, Torres Straits (Coppinger); Port Jackson 

 (J. B. Juices in Brit. Mus.); coast of Africa (East or West?) (Gapt. 

 Owen, R.N., in Brit. Mus.) ; Mauritius (Bohillard) ; ? (Beeve). 



This species should, I think, be separated from the West- Indian 

 L. dentata. Wood (=i. divaricata, Lam. non Linn.,=X. serrata, 

 d'Orb.)," to which it has been united by Pfeiffer in the ' Conchylien- 

 Cabinet,' ed. 2, Veneraeea, p. 269. 



The incised lines are deeper, and form a more acute angle at the 

 point of divarication. The type specimen is somewhat abnormal 



