91 



P. E. S. Tasm. for 1875, p. 159; Tapes Victories, T. Woods, 

 P. E. S., Vict., xiv., p. 00, 1878. 



In crevices of the limestone floor of Port Adelaide Creek ,. 

 Aldinga and Holdfast Bays ; Encounter Bay ; also Tasmania! 

 Victoria ! and New South Wales ; erroneously credited to- 

 New Zealand. 



Decussately striated, painted with angular rufous lines 

 on the posterior slope. Length, three-fourths of an inch. 



62. Tapes galactites, Lamarck, An. s. Vert., v., p. 599 ;. 

 Eeeve's Mon., f. 65. 



Southern coast from Eucla to G-uichen Bay, and throughout 

 St. Vincent and Spencer Gulfs ; also King George Sound 

 (type) and New South Wales. 



White, with radial striatums. Length, one and a-half inches. 



Genus Chione. 

 (a) With membranous lamellce. 



63. Ciiione lamellata, Lamarck {Venus), An. s. Vert., Y. t 

 p. 592 ; Eeeve's Mon. (Venus), f. 78. 



Hardwick Bay ; Port Lincoln ; Coffin's Bay, Encounter Bay, 

 and South-East coast; also Victoria, Tasmania (type), and 

 New South AVales. 



Ovately-oblong, with about twelve concentric flesh-coloured 

 elevated undulose frills, which are striated on the ventral face. 

 Length, two and a-quarter inches ; frills, about ten at that 

 size. 



64. Chione tiara, Dillwyn (Venus) ; Eeeve, Mon., t. 67,, 

 f. 3. 



Port Lincoln (Angas, Bednalll); Kangaroo Island (B.T.); 

 Semaphore (Forwood!); St. Vincent Gulf (S.Aust. Mus.l); also 

 West Australia, Queensland, and Indian Ocean. 



Cordately ovate ; lamellae thick, broad, and few. 



I have united the species G. alta, Sowerby, and G. tiara,. 

 which Angas has quoted separately for South Australia. 



65. Chione eoboeata, Hanley, P. Z. S., 1844, p. 161. 



Hog Bay, Kangaroo Island ; and Aldinga Bay, St. Vincent 

 Gulf. 



Cordately ovate, with numerous, smooth, concentric, thick 

 ridges curved inwards ; white, or with pale-pink rays ; about 

 one inch long. 



(b) Lamellose, radiately striated ; margin of valves crenulated. 



66. Chione gallinula, Lamarck (Venus), An. s. Vert., v. r 

 p. 591 ; V. lagopus, Lamarck ; V. Humphrey i, Donovan ; V. aus- 

 tralis, Sow. ; V. costulata, Gray. 



