JOURNAL 
AND 
PROCEEDINGS 
OF THE 
ROYAL SOCIETY 
NEW sire WALES, 
1877. 
= 
Woke a. 
EDITED BY 
A. LIVERSIDGE, 
Professor of Geology and Mineralogy in the University of Sydney. 
THE AUTHORS OF PAPERS ARE ALONE RESPONSIBLE FOR THE STATEMENTS 
MADE AND THE OPINIONS EXPRESSED THEREIN, 
AGENTS FOR THE SOCIETY: 
Messrs. Triibner & Co., 57, Ludgate Hill, London, E.C. 
SYDNEY: THOMAS RICHARDS, GOVERNMENT PRINTER. 
1878, 
