PROCEEDINGS 



OF THE 



ROYAL SOCIETY OF LONDON. 



From Januanj 7, 1886, to June 10, 1886. 



VOL. XL. 



LONDON: 



HARRISON AND SONS, ST. MARTIN'S LANE, 



Drmters in ©rbinaro to $er Ifajesig. 

 MDCCCLXXXY1, 



