Si8 Roosevelt Wild Life Bulletin 



of bird in North America has been thoroughly studied according to 

 such a program, and thoroughly related to forest practice. Here is 

 an immense field of work for properly trained men who wish to 

 put this phase of forestry upon a thoroughly sound, scientific, and 

 economic basis. 



SELECTED REFERENCES 



Beal, F. E. L. 



1893. Food Habits of the Cedar-bird {Ampelis cedrorum). 



Ann. Rep. U. S. Secy, of Agr. for 1892, pp. 197- 



200. 

 1906. Birds as Conservators of the Forest. Rep. N. Y. 



Forest, Fish and Game Comm. 1902—03, pp. 236- 



274. 

 191 1. Food of the Woodpeckers of the United States. U. S. 



Dept. Agr., Biol. Surv., Bull. No. 37, pp. 1-64. 



Bendire, C. 



1895. Life Histories of North American Birds, from Parrots 

 to the Grackles, with Special Reference to their 

 Breeding, Habits and Eggs. Smithsonian Institution, 

 Special Bulletin. 



Beouaert, J. 



1922. The Predaceous Enemies of Ants. Bull. Amer. Mus. 

 Nat. Hist., Vol. 45, pp. 271-331. 



Bolles, Frank. 



1890. Young Cedar-birds and Great Crested Flycatchers in 



Captivity. The Auk, Vol. 7, p. 290. 



1891. Yellow-bellied Woodpeckers and their Uninvited 



Guests. The Auk, Vol. 8, pp. 256-270. 



1892. Young Sapsuckers in Captivity. The Auk, Vol. 9, 



pp. 109-119. 



Eaton, E. H. 



19 14. Birds of New York. Mem. 12, N. Y. State Mus., 



Part 2, pp. 1-543. 



ECKSTORM, F. H. 



1901. The Woodpeckers. Pp. 1-131. Boston. 



Frothingham, E. H. 



1915. The Northern Hardwood Forest; its Composition, 



Growth and Management. U. S. Dept. Agr., Bull. 

 285, pp. 1-80. 



Gaylord, F. G. 



191 5. The Effect of Conservative Lumbering on Game. Bull. 

 N. Y. State Forestry Assoc, Vol. 2, pp. 27—29. 



Haasis, Ferdinand W. 



1 917. Dying of Young Pines in Circles about Anthills. Jour. 

 Forestry, Vol. 15, No. 6, pp. 763-769. 



