PROCEEDING S 



OF THE 



ROYAL SOCIETY OF LONDON. 



From November 30, 1899, to June 14, 1900. 



VOL. LXVI. 



LONDON: 



HARRISON AND SONS, ST. MARTINS LANE, 

 ^rinitrs in ©rbinarg to ier Pajtstg. 

 MPCCCC. 



