A Reconsideration of the American Black Ducks with Special Reference to Certain Variations

Authors

John C. Phillips

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Recommended Citation

Phillips, John C. (1912) "A Reconsideration of the American Black Ducks with Special Reference to Certain Variations," The Auk: Vol. 29: Iss. 3, Article 2.
Available at: https://digitalcommons.usf.edu/auk/vol29/iss3/2