PROCEEDINGS 



OF THE 



ROYAL SOCIETY OF LONDON, 



From April 20, 1890, to November 23, 1899. 



VOL. LXV. 



LONDON : 



HARRISON AND SONS, ST. MARTIN'S LANE, 

 $rintcis in @rbinavjj ia ^'er Utajtstg. 

 J1DCCCC. 



