BY JOHN SHIRLEY, D.SC, F.M.S. 55 



RiNQicuLA DENTicuLATA, Goiild. Hedley, Stud. Aust. 

 Moll., XI., P.L.S. N.S.W., Vol. 38, Pt. 2., 1913, p. 336. 



s. Ringicula caron, Angas no7i Hinds. Hedley 's list. 

 No. 1711. 



Family TORNATINID^. 



Genus BET US A, Brown. 



Retusa decussata, a. Adams. Hedley, P.L.S. N.S.W. 

 Vol. 38, Pt. 2, 1913, p. 337. 



s. B. impasia, Hedley, No. 1904, Marine Mollusca of 

 Que<^n-;land. 



