PHILOSOPHICAL 
TRANSACTIONS 
OF THE 
ROYAL SOCIETY 
OP 
LONDON. 
■ FOR. THE YEAR MDCCCXXV. 
f 
PART II. 
LONDON: 
PRINTED BY W. NICOL, SUCCESSOR TO W. BULMEB AND CO. 
CLEVELAND-ROW, ST. JAMEs’s; 
and sold by G. and W. NICOL, PALL-MALL, PRINTERS TO THE 
ROYAL SOCIETY. 
MDCCCXXV. 
