82 



Family SoLENiDiE. 



9. Solen yaginoides, Lainarck, in Animaux sans Vertebres, 

 vol. v., p. 451, 1818. 



Port Adelaide Creek ; Nepean and Hog Bays, Kangaroo 

 Island. The type specimens from Tasmania. 



Shell nearly straight, about four times as long as wide, 

 mottled with purple and flesh colour. Length, three and 

 a-half inches. 



Family Saxicayldje. 



10. Saxicaya arcttca, Linnaeus. 



In the crevices of rocks ; immersed in the bases of large 

 Ascidians, upon oysters, &c, throughout South Australia. 



This polymorphic species is world-wide in its distribution. 

 Lamarck named specimens obtained at Kangaroo Island 

 S. australis ; and large individuals attaining to two and a-half 

 inches long from our waters had been provisionally named 

 S. Angasi by A. Adams. It is a member of the Eocene fauna of 

 South Australia and of the New Zealand Pliocene. 



Family Corbulld^:. 



11. Corbula scapholdes, Hinds ; Eeeve, Mon., t. 3, f. 47. 

 Cast up at Fowler's Bay ; Wallaroo Bay ; Hog Bay, Kangaroo 



Island ; and at several localities in St. Vincent Gulf. Dredged 

 in life from eight to 22 fathoms in Encounter Bay (Palleine!); 

 also New South Wales, North Australia, and the East Indies. 



Distinguished by being nearly equivalve, by its small umbones 

 and radial sculpture ; length five-eighths of an inch. Angas 

 has catalogued it in Proc. Zool. Soc, p. 869, 1S78, as C. nasiita. 



12. Corbula tunicata, Hinds ; Keeve, Mon., t. i., f. 5. 

 Dredged in life from 22 fathoms, Encounter Bay (Pulleine!) ; 



Aldinga Bay ; also New South Wales to North Australia and 

 the Philippines. 



Very inequivalve ; the larger valve with tumid umbones ; 

 surface with thick concentric ribs ; length, five-eighths of an 

 inch. 



Family Anatinld.e. 



13. Anatina AnCtASI, Crosse and Fischer (Periploma), in 

 Jour, de Conch., 1864, p. 349 ; 1865, p. 427, t. 11, f . 1. 



Hardwicke Bay, Spencer Gulf (Angas) ; Coffin Bay (S. Aust. 

 Mus.l) ; Port Lincoln and Port Adelaide Creek (B. T.). Also 

 Tasmania and New Zealand. 



Distinguished by the inequality of its valves ; attaining to a 

 length of three inches by a breadth of one and three-quarters. 



14. Anatina creccuna, Eeeve, Mon., t. 2, f. 12. 

 Hardwicke Bay (Angas), Wallaroo (Gosse!), in Spencer 



