44 /. H. Gatliff and (J. J. Gabriel: 



Hab. — Dredged, Western Port (alive). 



Obs. — A small milk white species : size of type : length 6.5. 

 breadth 5 mm. Compared with P. angasi. ' it is more trape- 

 zoidal, has distinct spiral lines, and an axial hollow above.'" 

 Our identification has been confirmed by Mr. May, 



Dental ium platyceras, Sharp and Pilsbry, 



1898. Dentalium platyceras, Sharp and Pilsbry. Man. 

 Conch., vol. xvii., p. 126, pi. 22, f. 58-60. 

 Hab.— Port Albert (T. Worcester). 



Corbula coxi, Pilsbiy. 



1897. Corbula coxi, Pilsbry. Proc. Acad. Nat. Sci. 

 Philadelphia, p. 363, pi. 9, f. 1-3. 

 Hab.— Port Phillip : Western Port ; Port Albert (T. 

 Worcester). 



Obs. — The concentric sculpture in this species is much finer 

 than in C. tunicata. Hinds., and it is about the same size. 



Circe (Crista) navig-atum, H^dley. 



1906. Gafrarium navigatum, Hedley. P.L.S. N.S.W\, 

 vol. xxxi., p. 476. pi. 38, f. 33. 

 Hab. — D?-edged in about 6 fathoms between Phillip and Frencli 

 Islands, Western Port. One valve only was found. 



Obs. — A small species. Size of type : Length 6 mm., height 

 5.4 mm., breadth of single valve 1.6 mm. Compared by one 

 of us with the type. 



Circe angasi, Smith. 



1865. Gouldia australis, Angas (non Circe australis. 



Smith). P.Z.S. Lend., ]). 459, 

 1885. Circe Angasi, Smith. Cliall. Zool., vol. xiii., 



p. 148, pi. 2, f. 4-4e. 



