PHILOSOPHICAL 
TRANSACTIONS, 
OF THE 
ROYAL SOCIETY 
LONDON. 
FOR THE YEAR MDCCCI. 
PART I. 
LONDON, 
PRINTED BY W. BULMER AND CO. CLEVELAND-ROW, ST. JAMEs’s 
AND SOLD BY PETER ELMSLY, 
PRINTER TO THE ROYAL SOCIETY, 
MDCCCI. 
