BIBLIOGRAPHY 



THE following is a brief bibliography to suggest a few refer- 

 ences for those who may wish to find more detailed discussion 

 of the topics which have necessarily been briefly treated in these 

 pages. 



t 



MIGRATION 



CHAPMAN. Handbook of Birds of Eastern North America. D. 



Appleton & Co., New York. 



COWARD. Migration of Birds. G. P. Putnam's Sons, New York. 

 National Geographic Magazine, April, 1911. 

 Bulletin 185 of the U.S. Bureau of Biological Survey. 



MUSIC 



CHAPMAN. Handbook of Birds. 

 Independent, vol. 63, pp. 491-97; 604-09. 

 Harper's Magazine, vol. 113, pp. 725-30; vol. 114, pp. 766-71. 

 MATHEWS. Field Book of Wild Birds and Their Music. G. P. 

 Putnam's Sons, New York. 



NESTS 



DUGMORE. Bird Homes. Doubleday, Page & Co., Garden City, 

 N.Y. 



REARING THE YOUNG 



CHAPMAN. Handbook of Birds. 



HERRICK. Home Life of Wild Birds. G. P. Putnam's Sons, 

 New York. 



PLUMAGE 



CHAPMAN. Handbook of Birds. 



BEEBE. The Bird. Henry Holt & Co., New York. 



