Illustrations of the Birds of California, Texas, Oregon, British and Russian America — FALCO POLYAGRUS.—Cassin. The American Lanier Falcon. PLATE XVI.—Male and Female.

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Illustrations of the Birds of California, Texas, Oregon, British and Russian America FALCO POLYAGRUS.—Cassin. The American Lanier Falcon. PLATE XVI.—Male and Female. · ch 69/176

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