



I PROCEEDINGS 

 Nh ■ 



ROYAL SOCIETY OF LONDON. 



From June 6^ 1867^ to June 18^ 1868_, inclusive. 



VOL. XVL 



L N D : 



PEINTED BY TAYLOE AND EEANCIS, 



RED LION COURT, FLEET STREET, 



MDCCCLXYIII. 



