PHILOSOPHICAL 
TRANSACTION 
OF THE 
ROYAL SOCIETY 
OF 
LONDON. 
(A.) 
FOPl the yeah mdcecxciv. 
VOL. 185.—PART 1. 
LONDON: 
PEIXTED EY HAREISON AND SONS, ST. MAETIN’s LANE, W.C., 
|lrintcrs iu Orbtnarii to per ^ajcsiii. 
MDCCCXCIV. 
