Above, two perches, two insects and a hairy spider. Engraving by Heath.llitory of the wall, a peacock, a limpet, the stalk of a flower, a fish (pegasus), two insects, a pelican and a bird; below, a pe.

Licence: Public Domain Mark

Credit: Above, two perches, two insects and a hairy spider. Engraving by Heath.llitory of the wall, a peacock, a limpet, the stalk of a flower, a fish (pegasus), two insects, a pelican and a bird; below, a pe. Wellcome Collection. Source: Wellcome Collection.