Text emphasis denoted by =Bold= and _Italics_.
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| UNITED STATES |
| DEPARTMENT OF AGRICULTURE |
| |
| CIRCULAR No. 363 |
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| Washington, D. C. October 1935 |
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| THE MIGRATION |
| OF NORTH AMERICAN BIRDS |
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| By |
| FREDERICK C. LINCOLN |
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| Senior Biologist in Charge, Section of Distribution |
| and Migration of Birds Division of Wildlife Research, |
| Bureau of Biological Survey |
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| [Illustration] |
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For sale by the Superintendent of Documents.
Washington, D. C. -- Price 10 cents
CIRCULAR No. 363 OCTOBER 1935
UNITED STATES DEPARTMENT OF AGRICULTURE
WASHINGTON, D.C.