PHILOSOPHICAL 
TRANSACTIONS 
OP THE 
EOYAL SOCIETY OE LONDON 
Series A. 
CONTAINIJIG PAPEKS OF A MATHEMATICAL OR PHYSICAL CHARACTER. 
VOL. 200. 
LONDOHi 
PRINTED BY HARRISON AND SONS, ST. MARTIN’s LANE, W.C. 
printers in ©rbinarg to pis Pajtsig. 
March, 1903. 
Price Forty-three Shillings. 
