PROCEEDINGS 



OF THE 



ROYAL SOCIETY OF LONDON. 



From May 1, 1879, to December 11, 1870. 



OCT 11 1S80 



VOL. XXIX. 



LONDON : 



HARRISON AND SONS, ST. MARTIN'S LANE. 



printers in ®rbinarg to f w Itajtstg. 

 MDCCCLXXIX. 



