Ut 



0[m\m\m fihttomologfet 



VOLUJME XLII. 

 1910. 



EDITED BY 



DR. E. M. WALKER, 



Biological Department, 

 UNIVERSITY OF TORONTO, TORONTO. 



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



ONTARIO AGRICULTURAL COLLEGE, GUELPH. ONT. 



UonliDn, ©nfario : 

 The London Printing and Lithographing Company, Lniiited. 



1910. 



