Further notes on ptilosis. Bulletin of the AMNH ; v. 50, article 5.

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Date

1924

Journal Title

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Volume Title

Publisher

New York : Published by order of the Trustees, American Museum of Natural History

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Abstract

Description

p. 305-331 ; 24 cm.
Includes bibliographical references.
Eutaxy and diastataxy -- First primary covert -- Vestigial eleventh primary -- Functional primaries -- Alula -- Outermost primary covert -- Rectrices -- Oil-gland and its tuft -- Aftershaft -- Powder-downs -- Natal down.

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