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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- 

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

 per 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, University of Toronto, Toronto, Canada. 



Published by the Entomological Society of Ontario, 



GUELPH, CANADA 



The Entomological Exchange 



Opened for the purpose of meeting a demand for centraliza- 

 tion of exchange of Lepidoptera with reliable collectors in all 

 parts of the world. Will exchange hibernating eggs, pupae 

 and imagos, also well inflated larvae accepted. For further in- 

 formation in regard to method of exchanging, address with 

 return postage, 



(Note new address) 



THE ENTOMOLOGICAL EXCHANGE 



75 MAPLE STREET, WEST ROXBURY, MASS. 



PSYCHE 



The Cambridge Entomological Club has a nuraiber of 

 single volumes ol Psyche for sale, and can furnish one 

 set complete, except for Vol. XIII, ^vhich is entirely 

 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. 



