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:
Elements of conchology or An introduction to the knowledge of shells . Elements of conchology or An introduction to the knowledge of shells by Emanuel Mendes da Costa with seven plates containing figures of every genus of shells Plate VII Illustration biodiversitylibrary org title Mendes da Costa Emanuel White Benjamin