394 CENSUS OF THE MARINE MOLLUSCA OP TASMANIA, 



*R. Atkinsoni, Ten.-Woods, P.R.S.Tasm., 1877, p. 153 ; Tryon, 

 Man. Conch., ix., p. 354, t, 71, f. 10. 

 Long Bay (type); Frederick Henry Bay, W. L. May. 



*R. PEREXiGUA, Tate & May, T.R.S.S.Aust., xxiv., p. 100, 1900. 

 (PI. xxiii.jfig. 5). 

 Rissoina minutissima, Ten.-Woods, P.R.S.Tasm., 1878, p. 122, 

 non Rissoa minutissima, Michelin, " Gen. Rissoa." 



*R. CONTABULATA, Dunker, Novara Exped., t. 2, f. 20a-6. 

 Frederick Henry Bay, W. L. May. 



*R. UNiLiRATA, Ten.-Woods {Rissoina), P.R.S.Tasm., 1878, p. 123. 

 (Pl.xxvi.,fig. 79). 

 Blackman's Bay (type). 



*R. PELLUCIDA, Tate & May, T.R.S.S.Aust., xxiv., p. 100, 1900. 

 (PI. xxiii., fig. 8). 

 Frederick Henry Bay, W. L. May. 



Geuus Rissopsis, Garrett, 1873. 



*R. MacCoyi, Ten.-Woods (Rissoa), P.R.S.Tasm., 1877, p. 154; 

 Hedley, P.L S N.S.W., 1900, p. 505, pi. xxvi., f. 11. 

 Long Bay and Blackman's Ba}^ (type and co-type^, Derwent 

 Estuary, W. L. May. 



*R. BULiMiNOiDES Tate & May, T.R.S.S.Aust., xxiv., p. 101, 1900. 



(PI. xxvi., fig. 75). 

 ••■ Frederick Henry Bay (10 fath.), W. L. May. 



*R. coNSOBRiNA Tate & May, T.R.S.S.Aust., xxiv., p 101, 1900. 

 (PI. xxvii., fig. 94). 

 Frederick Henry Bay, common, W. L. May. 



Genus Rissoina, D'Orbigny, 1840. 



*R. spiRATA, Sowerby, Genera Shells, 1820-24, t. 208, f . 2 ; 

 Schwartz, Rissoiden, f. 69. 

 King Island, R. Tate; S. and E. Coasts, W. L. May. 



R. Gertrudis, Ten.-Woods, P.R.S.Tasm., 1876, p. 146; Tryon, 

 Man. Conch., ix., p. 372, t. 55, f. 39. 

 King Island (type). 



