PROCEEDINGS 



OF THIS 



ROYAL SOCIETY OF LONDON. 



From May 2, 1889, t® November 30, 1889. 



VOL, XLVL 



LONDON : 



HARRISON AND SONS, ST. MARTIN'S LANE, 



$)r inters at (fcrtrmarg to §er ITajestg. 

 MDCCCXC. 



