PHILOSOPHICAL 
TRANSACTIONS, 
OF THE 
ROYAL SOCIETY 
OF 
LONDON. 
FOR THE YEAR MDCCCXXIII. 
PART II. 
LONDON: 
PRINTED BY TV. NICOL, SUCCESSOR TO TV. BULMER AND CO. 
CLEVELAND-ROW, ST. JAMES’S; 
AND SOLD BY G. AND W. NICOL, PALL-MALL, PRINTERS TO THE 
ROYAL SOCIETY. 
MDCCCXXIII. 
