PROCEEDINGS 



OF THE 



ROYAL SOCIETY OF LONDON. 



From November 18, 1886, to December 16, 1886- 



VOL. XLI. 



6 6 



LONDON: 



HARRISON AND SONS, ST. MARTIN'S LANE, 



friixim in ©roinarg to $w |$Cajcstg. 



MDCCCLXXXYII. 



