174 LIST OF MOLLUSCA COLLECTED AT GREEN POINT, WATSON'S BAY, 



sutures, which are rather deep ; base convex, having three strong 

 raised spiral lines ; aperture subcircular, outer lip rather thin J 

 columella white, thickened. 



Long 2, broad 1 mm. Four specimens. 



This species might have been mistaken for a small specimen of 

 Rissoia Lancice, Calcara, from the Mediterranean, with specimens 

 of which I have compared it (J. B.). 



69. Rissoia (Saban^ea) incidata, Frauenf. Twenty specimens. 



70. Rissoia (Amphithalamus) scrobiculator, Watson. One 



sjjecimen. 



71. Rissoia (Amphithalamus) olivacea, Frauenf. Twenty speci- 



mens. 



72. Rissoia (Amphithalamus) Frauenpeldti, Schwartz. One 



specimen. 



73. IJissoiA (Setia) atropurpurea, Dunker, var. Twelve speci- 



mens. 



74. Rissoia (Setia) Sophia, Braz. Forty-three specimens. 



75. Rissoia (Setia). sp. One sea- worn specimen. 



76. Rissoia (Cingulina) sp. Two sea- worn specimens. 



77. Rissoia (Alvania) elegans, Angas. One hundred and thirty- 



two specimens. 



78. Rissoia (Alvania) gracilis, Angas. Four specimens. 



79. Rissoia (Alvinia) cheilostoma, Ten.-Woods. Fifteen speci- 



mens. 



80. Rissoia (Alvinia) ochroleuca, sp.nov., Braz. (PI. xiv. fig. 11). 

 Shell minute, imperforate, turbinate, thin, brownish ; whorls 



5^, convex, longitudinally ribbed as far as the periphery, much 

 more conspicuous in the centre, crossed with spiral striae wide 

 apart, sutures moderately deep and smooth, base strongly and 

 spirally sculptured ; aperture subcircular, slightly produced on 

 the body whorl, outer lip thickened. 



