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NOTICE. 
THE Roya Society of New South Wales originated in 1821 
as the ‘Philosophical Society of Australia”; after an interval 
of inactivity, it was resuscitated in 1850, under the name of the 
*‘ Australian Philosophical Society,” by which title it was known 
until 1856, when the name was changed to the “ Philosophical 
Society of New South Wales”; and finally, in May, 1866, by the 
sanction of Her Most Gracious Majesty the Queen, it assumed 
its present title. 
