PHILOSOPHICAL 
TRANSACTIONS 
OF THE 
EOYAL SOCIETY OF LONDON 
Seiiies a 
CONTAINING PAPEES OF A AIATHEMATICAL OE PHYSICAL CHAEACTEE. 
VOL. 202. 
LONDON: 
PRINTED BY HARRISON AND SONS, ST, MARTIN’s LANE, W.C., 
in ®rbinarn to §is Pajrstg. 
January, 1904, 
