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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- 
ziae of the kind in America and has a world-wide circulation. Subscription $2.00 
per annum, payalle 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, pup 
and imagos, also well inflated larvee 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. 
ENTOMOLOGICAL NEWS 
A forty-eight page illustrated magazine, published monthly 
except in August and September, devoted to the study of 
INSECT LIFE. It contains a resumé of the proceedings of a 
number of Entomological Societies, and also articles by the lead- 
ing Entomologists in the United States and Canada. Valuable 
information for the beginner, the economic entomologist and 
the systematist. TWO DOLLARS a year in advance. Single 
copies 25 cents. Address 
ENTOMOLOGICAL NEWS 
The Academy of Natural Sciences 
1900 RACE STREET, PHILADELPHIA, PA. 
