jT^.W 



TRANSACTIONS 



AND 



PROCEEDINGS 



EOYAL SOCIETY 



OF 



NEW SOUTH WALES, 



FOR THE YEAR 



1875. 



"VOL. IX. 



EDITED BY 



A. LIYERSIDGE. 



THE AUTHORS OF PAPERS ARE ALONE RESPONSIBLE FOR THE STATEMENTS 

 MADE AND THE OPINIONS EXPRESSED THEREIN. 



It is requested that all Communications respecting the printing and publication 

 of the Transactions of the Society may be sent through the Editor. 



All Donations presented to the Society are acknowledged by letter, and. in the. 

 printed Proceedings of the Society. 



AGENTS TO THE SOCIETY : 



Messrs. Triibner & Co., 57, Ludgate Hill, London, E.C. 



SYDNEY: THOMAS RICHARDS, GOVERNMENT PRINTER. 



1876. 



