2 1 2 TEITIA. 



G. 9128. Closely related to, if not identical with, C. m^irraviana; 

 from the River Murray, near Adelaide. 



Presented ly William Erans, Esq. 



G. 9151. Cast of an elongate subcylindrical species ; from near 

 Border Town. Presented hy R. Liltoio, Esq., F.G.S. 



G. 9637. Four casts, the largest, some 58 mm. in length, is 

 of a species related to C. sphcerodoma ; from NuUarbor Plains. 



R. Y. L. Brown Coll. 



G. 9638. Two casts of a species not unlike C. suhsidua, but 

 larger; from NuUarbor Plains. H. Y. L. Brown Coll.^ 



G. 9683. Cast of a broad, depressed species ; from the Hiver 

 Murray cliffs. Transferred from the Museum of Practical Geoloyy. 



From Victoria — 



G. 4410. Two casts, one of which is 75 mm. in length andl 

 65 mm. in breadth, of a species with a much expanded outerl 

 margin ; from Mount Eliza, Hobson's Bay. PurchasedA 



G. 4784. Two casts of a large species, flattened by pressure;! 

 from Lake Tyers, Gippsland. Presented hy the Rev. J. S. S. Royce. 



G. 4786. Several casts ; from Gippsland. 



Presented hy the Rev. J. S. H. RoyceA 



G. 9689. Casts, in ferruginous sandstone, of a species related 

 to C. suhsidua ; from Flemington (?), near Melbourne. 



Transferred from the Museum of Practical Geology. 



Genus TRIVIA, Sowerby and Gray. 



[Concli. Illust. and Desc. Cat. Shells, by G. B. Sowerby, jun., and J. E. Gray, 

 1832, p. 13.]' 



Shell usually small, transversely ridged and frequently marked 

 by a depression running antero-posteriorly across the dorsal region ; 

 whorls of the spire submerged, but may often be traced through 



' The title of this pamphlet, which is often erroneously quoted as "Desc. 

 Cat. Cyprma, 1832," is as follows : " The Conchological Illustrations or Coloured 

 Figures of all the hitherto unfigured Recent Shells, by G. B. Sowerby, jun. ; 

 with the corresponding text of a Descriptive Catalogue of Shells, by J. E. Gray, 

 Esq., F.R.S., etc. Loudon, 1832." The title-page is sometimes missing from 

 copies of this work. 



