BY R. TATE AND W. L. MAY. 395 



•^R. NivEA, A.Adams, P.Z.S., 1851, p. 265; Schwartz, Rissoiden, 

 f. 10, 1860. 

 Common (Census). 



*R. VARiEGATA, Angas, P.Z.S., 1867, p. 113, t. 13, f. 19. 



Loc. 1 (Census); King Island, R. Tate; Frederick Henry Bay, 

 W. L. May. 



*R. Hedleyi, Tate, T.R.S.S.Aust., xxiii., 1899, p. 241, t. 7, f. 8. 

 W. L. May. 



R. EFFICATA, Brazier, RL.S.N.S.W., i., p. 366. 

 ^R. seinisculpta, Tate, loc. cit., p. 241, t. 7, f. 10. 

 Loc. 1 (type). 



*R. FLEXUOSA, Gould, Otia, p. 144; Reeve, Conch. Icon., f. 97. 

 R. turricula, Angas, P.Z.S., 1867, t. 13, f. 20. 

 Common (Census); Frederick Henry Bay, W. L. May. 



R. ciNCTA, Angas, P.Z.S., 1867, p. 114, t. 13, f. 22. 

 Rare (Census). 



*R. ELEGANTULA, Angas, P.Z.S., 1880, p, 417, t. 40, f. 10. 

 Port Esperance, rare, W. L. May. 



Family ASSIMINEID.E. 

 Genus Assiminea, Fleming, 1828. 



A. BiciNCTA, Petterd, P.R.S.Tasm., 1889, p. 77, t. 2, £.4. 

 Mouth of River Don (type). 



A. Tasmanica, Ten.-Woods, P.R.S.Tasm., 1876, p. 79 ; Petterd, 

 loc. cit., t. 2, f . 2. 



Rissoa Sie7ince, Ten.-Woods, P.R.S.Tasm., 1877, p. 153. 



Sorell (type of A. Tasmanica); N. Coast \^type of R. Siennce). 

 A. AUSTRALis, Tate in Petterd, op. cit., t. 3, f. 10. 



Kelso, near mouth of River Tamar. 



*A. Brazieri, Ten.-Woods (A'^ssoa), P.R.S.Tasm., 1876, p. 146. 

 Rissoa Brazieri, Try on, Man. Conch., ix., p. 335, t. 71, f. 97. 

 Bruni Island (type); S. Coast, very common, W. L. May. 



