PHILOSOPHICAL 
TRANSACTIONS, 
OF THE 
ROYAL SOCIETY 
OF 
LONDON, 
FOR THE YEAR MDCCCII. 
PART II. 
LONDON, 
PRINTED BY W. BULMER AND CO. CLEVELAND-ROW, ST. JAMESES % 
AND SOLD BY G. AND W# NICOL, PALL-MALL, BOOKSELLERS TO HIS MAJESTY^ 
AND PRINTERS TO THE ROYAL SOCIETY. 
MDCCCII. 
