Rocky Mountains and in Canada. As the time of arrival and 

 departure of migratory birds depends largely upon latitude 

 and climatic conditions, no reliable table of dates of migra- 

 tions can be made for a wide area of country. The best that 

 can be done in this respect is for each observer to make a table 

 for himself remembering that the time of migration may vary 

 somewhat every year. To encourage pupils to observe care- 

 fully, a bird Calendar may be kept by the school or by a grade, 

 under the direction of the teacher, showing the name of the 

 bird, the date of its arrival and the name of the pupil who saw 

 it first. 



Blank pages are left for memoranda on migrations, 

 habits and local haunts of the birds named, as these may come 

 under the observation of the careful teacher or student. The 

 greatest advantage will be derived from the use of these pages 

 if nothing but important facts are entered on them. 



As this book is designed to be elementary only, all tech- 

 nical and scientific terms and classifications have been omitted. 

 Every teacher, however, should have one or more standard 

 works on ornithology in her library or at hand for reference. 

 The following books are among the best works on this subject 

 and the author acknowledges his indebtedness to them: Key 

 to North American Birds, Elliott Coues; Birds of Eastern 

 North America, Frank M. Chapman; Birds of the United 

 States and Canada (Revised Edition), Thomas Nuttall; Our 

 Birds and their Haunts, Hibbert J. Langille; Birds and Bees, 

 John Burroughs ; Bird Homes, A. Radclyffe Dugmore. 



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