﻿PROCEEDINGS 



OF THE 



ROYAL PHYSICAL SOCIETY 



OF 



EDINBURGH. 



FOR THE PROMOTION OF ZOOLOGY AND OTHER 

 BRANCHES OF NATURAL HISTORY. 



VOL. XVIL 

 1906 1909. 



EDINBURGH : 

 PRINTED FOR THE SOCIETY, AND PUBLISHED AT 

 THEIR ROOMS, 1 INDIA BUILDINGS. 



MCMIX, 



