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Ueber die Polypen im Allgemeinen und die Actinien insbesondere Taf. . Vf FiqS lYf ffi Taf Illustration biodiversitylibrary org title Rapp Wilhelm Ludwig von Biodiversity Heritage Library Ueber die Polypen im Allgemeinen und die Actinien insbesondere Naturhistorischer Versuch Sea anemones Harvard University MCZ Ernst