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Edition: |
Fourth edition / constituting the "Systema avium" for North America north of Mexico. |
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General Note: |
"Zoölogical nomenclature is a means, not an end, of zoölogical science." |
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"The fossil birds of North America": pages 401-472. |
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Bibliography Note: |
Includes bibliographical references and index. |
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Additional Physical Forms: |
Online version: American Ornithologists' Union. Check-list of North American birds. 4th ed. Lancaster, Pa. : The Union, 1931 (OCoLC)595601364 |