Trans, and Proc. Roy. Soc. S. Austr., 1922. 



Vol. XLVL, Plate II. 







WCMM. 



^Wiifa ti 'iTii""'i"l I itiiii' t Inrlii" I ' l l i i i i Bwifeawi} 



(f) 

 (9) 

 (h) 



SCALE 



e O.I (»JE OJI <h* OJS OM 0.7 OM <k& M> 



i ' » fa-t" 'I ,,l it ;■'■■! t.n iii iia te aw l "ST 



^ tffor MiU-tMCTER- *► ** 



Gilliiigham, Swaim & Co. Ltd., Printers, Adelaide. 



