Above, a Red Sandpiper, a Sanderling, a Mourning Sawfly and a Turner Savage; below, a Combfooted Savage, a Mottled Sawfly and a salmon. Coloured etching.

Licence: Public Domain Mark

Credit: Above, a Red Sandpiper, a Sanderling, a Mourning Sawfly and a Turner Savage; below, a Combfooted Savage, a Mottled Sawfly and a salmon. Coloured etching. Wellcome Collection. Source: Wellcome Collection.