J 0- U R N A L 



PROCEEDINGS 



ROYAL SOCIETY 



NEW SOUTH WALES 



FOR 



1921. 



(INCORPORATED 1881.) 



VOL. LT. 



With Appendix containing the complete Minutes of the Philosophical 

 Society of Australasia 1821 - 1822. 



EDITED BY 



THE HONORARY SECRETARIES. 



THE AUTHORS OF PAPERS ARE ALONE RESPONSIBLE FOR THE STATEMENTS 

 MADE AND THE OPINIONS EXPRESSED THEREIN. 



SYDNEY 

 PUBLISHED BY THE SOCIETY, 5 ELIZABETH STREET, SYDNEY. 



192 L. 



