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:
Animalcula infusoria fluvia tilia et marina Plate XXII . Tcaxuj ' oL iiiP KJ JS hsf P' iti ii J' ' ' ' Plate XXII Illustration biodiversitylibrary org title Fabricius Otto Mller Otto Frederik Biodiversity Heritage Library Animalcules Early works to Infusoria Harvard University MCZ Ernst Mayr Library