^be 



fllanadiati d^iitom0l00fet 



VOLUMK XIv. 

 1918. 



EDITED BY 



DR. E. M. WALKER, 



Biological Department, 

 UNIVERSITY OF TORONTO, TORONTO, 



EDITORIAL COMMITTEE : 



A. W. Baker W. H. Brittain L. Caesar N. Criddle 



A. Gibson F. J. A. Morris R. C. Trehernc A. F. Winn 



4 ^ ^ fr^ 



Editor Emeritus: REV. C. J. S. BETHUNE. 



ONTARIO AGRICULTURAL COLLEGE. GUELPH, ONT. 



HanUan, Ontario : 

 The London Printing and Lithographing Company Limited 



1918. 



