PROCEEDINGS 
ROYAL SOCIETY 
CQ) UW EEN SAND 
© = LOS: 
VOT. x wo. 
ISSUED JANUARY 20TH, 1920. 
Edited by 
H. A. LONGMAN, F.L.S. 
The Authors of Papers are alone responsible for the statements made an 
the opinions expressed therein. 
PRINTED FOR THE SOCIETY 
BY 
H. POLE & CO., PRINTERS, ELIZABETH STREET, BRISBANE. 
1920. 
Price: Ten Shillings. 
