AND PROCEEDI 





OP THE 



ROYAL SOCIETY of SOUTH AUSTRALIA 



(INCORPORATED). 



VOL. ZLII. 



[With Thirty-two Plates and Twelve Figures in the Text.] 



EDITED BY WALTER HOWCHIN, F.G.S., 

 Assisted by ARTHUR M. LEA, F.E.S. 



MAR- a J 



PRICE, TWELVE SHILLINGS AND SIXPENCE. 



Published by the Society, Royal Society Rooms, North Terrace. 

 DECEMBER 24, 1918. 



Printed by Hussey & Gillingham Limited, 106 and 108, Currie 

 Street, Adelaide, South Australia. 



Parcels for transmission to the Royal Society of South Aus- 

 tralia from the United states of America can be forwarded N 

 through the Smithsonian Institution, Washington, D.C. 



