p. & p. Roy. Soc. Tas., 1921. 



Plate XV. 



Plate XV. 



I'^i;:. 1. Loricclia tu-iilji/a. Ashl>> . McHiin valve, upper side. 



Fi.ij:. 2. LoricelUi f<culi)fa, Ashby. Inside uf median valve, showinjj: callus 

 portion and infolded tejimentum. 



Fi{?. 3. Loricclia anga^i, Ad. and Antr. Portion of anterior valve, upper 

 side, showing serrated teeth. 



Fi.^-. 1. Loricella a»//«.s?. Ad. and Ang. Portion of median valve, upper 

 side, showing- spade-like process between the sutural 

 lamina>. 



Yiii. 5. Loricclia torri, Ashby. Anterior valve, upper side, showing 



fSerrated teeth. 



