PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF LONDON 
SERIES B 
CONTAINING PAPERS OF A BIOLOGICAL CHARACTER 
VOL. LXXX 
LONDON: 
PrinteD FOR THE ROYAL SOCIETY anp Sotp By 
HARRISON AND SONS, ST. MARTIN’S LANE, 
PRINTERS IN ORDINARY TO HIS MAJESTY. 
e"Theonlan hs 
ae mitnsonian Inet. 
MAR J f) ma % \ 
UY I9NG 
a) 40 190g 
DECEMBER, 1908. 
