82 Gatlif and Gabriel : 



Tellina diluta, Smith. 



1885. Tellina diluta. Smith. Chall. Zool.. vol. xiii.. p. 

 108, pi. 4, f. 7-7b. 

 Hab. — In about 40 fathoms, off Ninety Mile Beach. 

 Obs. — Size of type: Length, 8; height, 5; diaiii.. 2.5 mm. A 

 white shell, concentric striae extending continuously from end to 

 end. 



Chione mesodesma, Quoy and Gainiard. 



18."j5. Venus mesodesma, Quoy and Gaimard, Astrolabe, 



vol. iii., part 2, p. 532, pi. 84, f. 17, 18. 

 18-35. Venus spurca, Sowerby. Thes. Concli.. vol. ii.. p. 



719, pi. 156. f. 92-98. 

 1880. Chione mesodesma, Quoy and Gainiard. Hutton, 



Man., New Zealand Moll, p. 148. 

 1885. Venus (Chamelaea) mesodesma. Quoy and Gaimard. 



Smith, Chall. Zool., vol. xiii.. j.. 131. 

 1905. Chione mesodesma. Quoy and Gaimard. Suter, P. 



Mai. Soc, Lond., vol. vi., p. 204. 



1911. Chione mesodesma, Quoy and Gainiard. Hedley, 



Zool., Commonwealth tiawler " Endeavo\ir,"' 

 part I., p. 100. 



1912. Chione mesodesma, Quoy and Gaimard. May, 



P.R.S.. Tas., p. 44. 



Hab.^ — Dredged off Wilson's Promontory. 



Obs. — Similar in appearance to C. gaUiiuda. Lamarck, -wliich 

 has fine radial sculpture upon and between the concentric lamellae, 

 a feature absent in the above-named species. 



Meretrix regularis, Smith. 



1885. Cytherea (Caryatis) regularis. Smith. Chall. Zool., 

 vol. xiii., p. 140, pi. 1. f. 8-Sb. 

 Hab. — In about 40 fathoms, off Ninety Mile Beach. 

 Obs. — It is variable in size, ranging fi-om : Length, 5.5; liciglit, 

 5; diameter, 4 mm., to length 10; height, 9 mm. 



Genus Thyasina, Leach, in Lamarck, 1S18. 



'J'llYASIRA FLEXUOSA, MoutagU. 



1801. Venus sinuosa, Donovan (iion Pennant, 1777). 



British shells, vol. ii.. pi. 42. f. 2. 

 1803. Tellina flexuosa, Montagu. Test. Brit., p. 72. 



