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Keywords from Image Description:
Osteologia avium or sketch of the osteology of birds PL. . 'ii PI tf ' FromNatun cm'ZznciyJ Fr DafkSorZiih to tfo Qui CI PL Illustration II biodiversitylibrary org title Brooks Vincent Day Son Erxleben Eyton Eyton Thomas Campbell Hanhart Michael Hanhart Hullmandel Charles Joseph Hullmandel Charles Joseph Scharf