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:
Monograph of the North American Astacid Plate IX . IX obesus Mate Form JlOt Roetter on stone from na New Eng Lifh Co Boston Plate IX Illustration biodiversitylibrary org title Hagen Hermann August NameFound obesus NameConfirmed Cis obesus Melli EOLID Biodiversity Heritage Library Monograph of the North American Astacid