THE ADULT BIRD 103 
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1895. Brat, F. E. L., The Food of Woodpeckers, Bull. 7, 39 pp.—1896. 
Paumer, T. S8., Extermination of Noxious Animals by Bounties, Yearbook, 
U.8., Dept. Agr., pp. 55-68.—1897. Bat, F. E. L., Some Common Birds 
in their Relation to Agriculture, Farmer’s Bull., No. 54, 40 pp.—1898. 
Forsusu, E. H., Nature’s Foresters, Bull. No. 1, Mass. Board Agric., pp. 
27-40.—1898. Paumer, T. 8., The Danger of Introducing Noxious Animals 
and Birds, Yearbook, pp. 87-110.—1898. Nasu, C. W., Birds of Ontario in 
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1900. Barat, F, E. L., How Birds Affect the Orchard, Yearbook, pp. 291- 
304.—1900. CHAPMAN, F. M., The Value of Birds to the Commonwealth, 
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tion to Agriculture, Proc. Neb. Orn. Union, 18-29. — 1901. Jupp, S. D., 
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urv., 64 pp. 
GENERAL ACTIVITIES OF THE ADULT BirD 
Habitat 
Habit and Structure 
The Bill 
The Wing 
The Tail 
The Feet 
The Senses 
Intelligence 
Status of the Species 
Having devoted the larger part of the space allotted to this Intro- 
duction to those features of bird study in nature which seem most 
important from the field student’s point of view, our outline of a bird’s 
life may be completed by briefly calling attention to certain other 
subjects, each of which must be considered if we would approach any- 
thing like a complete local biography of a given species, 
Habitat—The range or geographical distribution of a species is 
