JOURNAL 
PROCEEDINGS 
OF THE 
ROYAL SOCIETY 
NEW SOUTH WALES 
FOR 
1906. 
(INCORPORATED 1881.) 
EDITED BY 
THE HONORARY SECRETARIES. 
THE AUTHORS OF PAPERS ARE ALONE RESPONSIBLE FOR THE STATEMENTS. 
MADE AND THE OPINIONS EXPRESSED THEREIN. 
PUBLISHED BY THE SOCIETY, 5 ELIZABETH STREET NORTH, SYDNEY. 
LONDON AGENTS: 
GEORGE ROBERTSON & Co., PROPRIETARY LIMITED, 
17 Warwick SquaRE, PaTeERNOsSTER Row, Lonpon, E.C. 
1907. 
/P004S 
