"Delphini cranium" (Dolphin's skull). Drawing collected by Felix Platter, to be used in <i>Historiae animalium</i>. The first volume contained drawings of fish, shellfish, crabs and other creatures of the sea. The drawings were made by several artists, mostly anonymous.
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/bijzonderecollectiesuva/sets/72157632814218926/">Bijzondere collectie Universiteit van Amsterdam</a>