This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Transactions of the Wagner Free Institute of Science of Philadelphia Plate BHL. Transactions of the Wagner Free Institute of Science of Philadelphia Plate Illustration biodiversitylibrary org Wagner Free Institute of Science NOTINCOPYRIGHT Biodiversity Heritage Library PDold Transactions of the Wagner Free Institute of Science