JOURNAL 



AND 



PROCEEDINGS 



OF THE 



ROYAL SOCIETY 



OF 



NEW SOUTH WALES 



1915 



(INCORPORATED 1881.) 



VOL. SLIX. 



EDITED BY 



THE HONORARY SECRETARIES. 



THE AUTHORS OF PAPERS ARE ALONE RESPONSIBLE FOR THE STATEMENTS 

 MADE AND THE OPINIONS EXPRESSED THEREIN. 



SYDNEY : 



TBLISHED BY THE SOCIETY, 5 ELIZABETH STREET, SYDNEY. 



LONDON AGENTS : 



GEORGE ROBERTSON & Co., PROPRIETARY LIMITED, 



17 Warwick Square, Paternoster Bow, London, E.C. 



1915. 



