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A History of North American Birds; Land Birds; Vol. 3 of 3

Note 31 — Family STRIGIDÆ.—The Owls. (continued 2)

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Surnia ulula, var. ulula. Strix ulula, Linn. S. N. I, 1766, 133. Surnia ulula, Bonap. Cat. 1838, 22.

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