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Contents Note: |
Contents: Introduction. pp. 1. |
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Contents: Results of bird censuses north of Maryland and east of the Plains. pp. 6. |
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Contents: Results of bird censuses from southeastern States. pp. 9. |
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Contents: Results of bird censuses from western States. pp. 10. |
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Contents: Some notable bird-census results. pp. 15. |
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Contents: Relative abundance of certain species. pp. 21. |
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Contents: Density of bird population. pp. 23. |
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Contents: Bird life of marshland. pp. 24. |
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Contents: Bird life of the woodland. pp. 27. |
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Contents: Scarcity of birds in 1918. pp. 28. |
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Contents: Birds respond to protection. pp. 31. |
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Contents: Summary. pp. 33. |
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Additional Physical Forms: |
Online version: Cooke, May Thacher, 1885- Report on bird censuses in the United States, 1916 to 1920. Washington, D.C. : U.S. Dept. of Agriculture, 1923 (OCoLC)692994265 |