Australian Tertiary Fleurotomarias. 91 



EXPLANATION OF PLATES XIII. and XIV. 



Plate XIIL 



Fig. 1. — Pleurotoraaria bassi, sp. nov. Side view, showing band 



and position of slit ; a little over one-half natural size. 



Eocene, Table Cape. 

 Fig. 2. — Pleurotomax'ia bassi, sp. nov. Basal aspect, showing 



mouth and umbilical region ; nearly four-fifths natural 



size. Eocene, Table Cape. 



Plate XIV. 



Fig. L — Pleurotomaria tertiaria, McCoy. Front view, slightly 

 reduced. Eocene, ? Corio Bay or Lower Moorabool 

 Valley. 



Fig. 2. — Pleurotomaria tertiaria, McCoy. Basal aspect, slightly 

 reduced. Eocene, ? Corio Bay or Lower Moorabool 

 Valley. 



Fig. 3.- — Pleurotomaria tertiaria, McCoy. Apical aspect, slightly 

 reduced. Eocene, 1 Corio Bay or Lower Moorabool 

 Valley. 



Fig. 4. — Pleurotomaria tertiaria, McCoy. McCoy's Type speci- 

 men from Moorabool Valley, Upper Maude beds. 

 Specimen in the National Museum, Melbourne. 



