A woman making gestures of speech, having a snake around her wrist and a parrot on her head, is standing in a market place with a court scene to her left and a verdict being read out to her right; representing Dialectic. Engraving after M. de Vos.

Licence: Public Domain Mark

Credit: A woman making gestures of speech, having a snake around her wrist and a parrot on her head, is standing in a market place with a court scene to her left and a verdict being read out to her right; representing Dialectic. Engraving after M. de Vos. Wellcome Collection. Source: Wellcome Collection.