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Tell us to whom you wish us to send 

 Bird-Lore for you during 1911, and we 

 will forward a Christmas Card, giving 

 your name as donor, and a free copy of 

 our December number, containing two 

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 be received, with your greeting, on 

 Christmas Day, and Bird-Lore will fol- 

 low, as published, throughout the year. 

 A valuable present, easily made, whether 

 to a friend or to yourself. 



Among the special features for 1911 

 (Vol. XIII) will be colored plates of our 

 Sparrows, by Fuertes, with migration 

 tables by Cooke and notes on their iden- 

 tification by Chapman; a series of illus- 

 trated papers on the "Birds of my Gar- 

 den," by Mabel Osgood Wright; a new 

 department for teachers and students, 

 edited by Alice Hall Walter, and Tea- 

 chers' Leaflets, with colored plates, by 

 Sawyer. 



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 for $2.50 



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THE ONTARIO 

 NATURAL SCIENCE BULLETIN 



THE JOURNAL OF THE 



Wellington field Naturalists'Club. 



Devoted to the Flora and Fauna of Ontario. 



Articles embracing all branches of 

 natural history by many of the leading 

 men of science in Ontario. 



Price per copy, 50 cts. 



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Editor Ontario Natural Science Bulletin, 



O. A. C, GUELPH, ONT. 



