AID PROCEED!! 



OF THE 



, ROYALSOCJETYof SOUTH AUSTRALIA 



(INCORPORATED). 



"VOL. XL. 



[With Fifty-four Plates and Twenty-one Figures in the Text.] 



EDITED BY WALTER HOWCHIN, F.G^., 

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



PRICE, TWENTY SHILLINGS. 



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

 DECEMBER 23, 1916. 



Printed by Hu-ssey & 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 

 through the Smithsonian Institution, Washington, D.C. 



