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:
Figures and Descent of Man Charles Darwin cleaned up. Figures and from The Descent of Man by Charles Darwin Original caption Fig Second leg of male Orchestia Tucuratinga from Fritz Muller Fig Ditto of female Own scan of the book Various Charles Darwin Public domain life Image Plate figure to Descent of man Charles Darwin