O ^ o ^ 
PEOCEEDINGS 
OP 
THE EOYAL SOCIETY 
OF 
EDINBUEGH. 
VOL. XXXV. 
NOVEMBER, 1914 to JULY 1915. 
/ 
V 
EDINBUEGH: 
FEINTED BY NEILL AND COMPANY, LIMITED, 
MDC CCCXV, 
