IP. & p. R S. Tas., 1918. 



Plate XI. 



Figure \Q—Columbeila caiiiosoica, Tenison-Woods 

 M—Cohimbclla oxleyi, Tenison-Woods 

 \a—Rissoina tateana, Tenison-Woods 

 ^9—Ilissoina varicifera , Tenison-Woods 

 20— Rissoina johnstoni, Tenison-Woods 

 1\—Pyrainidella jwlita, Johnston 



