PROCEEDINGS 
OF THE 
ROYAL PHYSICAL SOCIETY 
EDINBURGH. 
FOR THE PROMOTION OF ZOOLOGY AND OTHER BRANCHES 
OF NATURAL HISTORY. 
“WOR, Sak, 
LOW 2-9 5: 
EDINBURGH: 
PRINTED FOR THE SOCIETY, AND PUBLISHED AT THEIR ROOMS, ~ 
SYNOD HALL. 
MCMXVI. 
