86 Proceedings of the Royal Society of Victoria. 



"Studies on Australian Mollusca," now appearing in the 

 Proceedings of the Liunaean Society of New South Wales, 

 should be consulted. 



Family Cerithiidae. 



Genus Trifopis, Deshayes, em. 182-1 (Triphoris). 



Triforis angasi, Crosse and Fischer. 



1865. Triphoris angasi, Crosse and Fischer. Jour. d. 



Conch., p. 46, pi. 1, f. 12, 13. 

 1873. Cerithium minimus, Hutton. Cat. N.Z. Moll., 



p. 27. 

 1880. Triphoris angasi, Hutton. N.Z. Moll., p. 75. 

 1887. Triforis angasi, Tryon. Man. Conch., vol. ix., 

 p. 179, pi. 37, f. 93. 

 Hab. — Coast generally. 



Obs. — This is the commonest of our species, and tends to show 

 some variation in its colour markings. 



Triforis pfeifferi, Crosse and Fischer. 



1865. Triphoris pfeitieri, Crosse and Fischer. Jour. d. 



Conch., p. 47, pi. 1, f. 14, 15. 

 1887. Triforis pfeifferi, Tryon. Man. Conch., vol. ix., 

 p. 182, pi. 38, f. 9. 

 llab. — ^Yestern Port ; Sorrento ; Puebla Coast. 



Triforis fasciatus, T. Woods. 



1879. Triforis fasciata, T. Woods. P.R.S. Tas., p. 34. 

 1887. Triforis fasciatus, Tryon. Man, Conch., vol, ix,, 

 p. 190. 

 Hab. — Western Port. 



Triforis tasmaniCa, T. Woods. 



1876. Triforis Tasmanica, T. Woods. P.R.S. Tas., p. 28. 

 1887. Triforis tasmanica, Tryon. Man. Conch., vol. ix., 

 p. 184, pi. 38, f. 31. 

 Hab. — Western Port ; Sorrento; Puebla coast. 

 Note. — We have at least six other species of this genus as yet 

 undetermined. 



