PROCEEDINGS 



AND 



TRANSACTIONS 



OF 



THE ROYAL SOCIETY 



OF 



CANADA 



THIRD SERIES— VOLUME IX. 



MEETING OF MAY 1915 



FOR SALE BY 



JAS. HOPE & SON, OTTAWA; THE COPP-CLARK CO. (Limited) TORONTO 



BERNARD QUARITCH, LONDON, ENGLAND 



1916 



