237 
Sienne, Zen.- Woods=Assiminea Tasmanica. 
Tumida (Diala), Ten.-Woods=R. olivacea. 
Venusta, Garrett=R. Garretti. 
III. CLASSIFIED LIST OF RISSOIN 2. 
Kery TO THE SusGRoupPS OF RissoINna. 
Aperture with basal emargination. 
No funicular rib on base. RIsSoINnA. 
Axially costated. Rissoina. 
Posterior whorls costated, anterior 
whorls smooth, or spirally striate. - MWorchiella.* 
Sculpture reticulate. Phosinella. . 
Sculpture of fine coste and spiral 
striations. Zebinella. 
Spiral ribs nodulose, outer lip crenate. Pyramidelloides. 
Surface punctulate, aperture auri- 
form, outer lip margined and 
expanded. DIAsTIcTUs. 
A funicular rib on base. RIssoLina. 
Aperture without basal emargination. SCHWARTZIELLA. 
I. SuBGENuUS RISSOINA. 
1. Section RIssoINna. 
R. scoLopax, Sowerby. 
North Australia (Melvill and Standen, Journ. Linn. Soc., 1899, 
pel iL): : . 
Loyalty Island. 
R. THAUMASIA, Melvill and Standen, 1898. 
North Australia, Melvill and Standen, op. cit; Madras. 
R. Fasctata, A. Adams, 1851. 
R. Smithi, Angas, 1867 (teste Brazier). 
New South Wales (type) ; Sydney (ex. Aust. Mus. !). 
R. GERtTRuUDIS, Ten.-Woods, 1876. 
Tasmania (type) ; Victoria. 
R. Hanueyi (Schwartz). 
Philippines (type); New South Wales (ex. Aust. Mus. !); 
Victoria (R. Tate). 
R. NivEA, A. Adams. 
S. Australia (type) !; Victoria ; Tasmania!; W. Australia ! 
R. sPirATA, Sowerby, 1824. 
S. Australia !; Vict.!; Tasm.!; N.S.W.; N, Aust. 
R. TRIANGULARIS, Watson, 1886. 
N. Aust. (type). 
R. VARIEGATA, Angas, 1867. 
N.S. W. (type), ex. Aust. Mus.!; Tasm. ! 
* See post, p. 240. 
