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Abbildungen von VogelSkeletten Tafel CXV . Meyer Abb Vogelskeletten Tafel CXV Anas boschas Tafel CXV Illustration biodiversitylibrary org title Meyer Adolf Bernhard NameFound Anas boschas NameConfirmed Anas boschas EOLID NameBankID Biodiversity Heritage Library Abbildungen von VogelSkeletten Anatomy Birds Smithsonian