PROCEEDINGS 



OF THE 



ff 



ROYAL SOCIETY OF LONDON 



Series B 



CONTAINING PAPERS OF A BIOLOGICAL CHAEACTER 

 VOL. LXXXIL 



LONDON: 



Printed for THE ROYAL SOCIETY and Sold by 

 HARRISON AND SONS, ST. MARTIN'S LANE, 

 printers in ordinary to his late majesty. 



September, 1910. 



