PHILOSOPHICAL 
TRANSACTIONS 
OF THE 
K 0 Y A L SOCIETY 
OF 
LONDON. 
(A.) 
FOR THE YEAR MDCCCXCIV. 
VOL. 185.—PART II. 
FEINTED BY HAERISON AND SONS, ST. MARTINIS LANE, W.C. 
|lniitcrs in ©rbinary to |Fr S^^ajcsin. 
MDCCCXCV. 
