Journal and Proceedings 
The Royal Society of 
Western Australia 
PATRON: H.M. THE KING. 
Volume L 
1914 - 1915 . 
Published August, \9i5. 
The Authors of Papers are alone responsible for the statements 
made and the opinions expressed therein* 
C P 'rice : Five Shillings , 
PERTH: 
BY AUTHORITY : FRED. WM. SIMPSON, GOVERNMENT PRINTER. 
1916. 
