PROCEEDINGS 



OF THE 



ROYAL SOCIETY OF LONDON. 



From March 24, 1881, to June 16, 1881 



VOL. XXXII. 



LONDON : 



HARRISON AND SONS, ST. MARTIN'S LANE, 



^printers in ©rbinHrg to Ifw Ittajsstu. 

 MDCCCLXXXI. 



