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Keywords from Image Description:
Kunstformen der Natur Tafel . Haeckel Kunstformen der Natur Tafel Tercbratula Spirobrancliia Sbpivafxemex Tafel Illustration biodiversitylibrary org title Bibliographisches Institut Leipzig Haeckel Ernst Biodiversity Heritage Library Kunstformen der Natur Pictorial works Zoology University of Illinois Urbana Champaign