Kot 
PROCEEDINGS 
OF THE 
ROYAL PHYSICAL SOCIETY 
EDINBURGH. 
FOR THE PROMOTION OF ZOOLOGY AND OTHER BRANCHES 
OF NATURAL HISTORY. 
VOL Oe 
LOW D1 923: 
EDN BW RIG EL: 
PRINTED FOR THE SOCIETY, AND PUBLISHED AT THEIK ROOMS, 
SYNOD) HALL. 
MCMXXIITI. 
