AdvcrtisetncutK 



The Canadian Entomologist 



A Monthly Magazine Devoted to the Study of Scientific Entomology 



Volume 46 is now in course of publication. It is the oldest established maga- 

 ziae of the kind in America and has a world-wide circulation. Subscription $2.00 

 par annum, payable in advance, which includes a copy of The Annual Report of 

 the Entomological Society of Ontario to the Legislature. Editor, Dr. E. M. 

 Walker. Biological Department, Uuiversity of Toronto, Toronto, Canada. 



Published by the Entomological Society of Ontario, 



GUELPH, CANADA 



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PSYCHE 



The Cambridge Entomological Club has a number of 

 single volumes of Psyche for sale, and can furnish sets 

 complete, except for Vols. XI and XIII, which are en- 

 tirely out of print. 



Volumes II-X (each covering a 3-year period), each . . . $3.00 



Volume XII (covering a single year), " ... 1.00 



Volumes XIV-XV and XVII "... 1.00 



Volumes XVIII-XXI " ... 1.50 



Address all orders or inquiries to 

 Editor of Psyche, Bussey Institu- 

 tion, Forest Hills, Boston, Mass. 



Write before sending money, as the supply of some volumes is low. 



