PHILOSOPHICAL 
TRANSACTIONS 
OF THE 
ROYAL SOCIETY 
LONDON. 
FOR THE YEAR MDCCCLXXXV. 
VOL. 176.—PART I. 
LONDON: 
PRINTED BY HARRISON AND SONS, ST. MARTIN’S LANE, W.C. 
iprinters in (Dririnarg to fjer Utajfsig. 
MDCCCLXXXYI. 
