Doctrine of signatures: (above) a plant with roots resembling a dog's testicles, and (below) a dog's genitals. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta.

  • Porta, Giambattista della, approximately 1535-1615.
Date:
1906
Reference:
525033i
Catalogue details

Licence: In copyright

Credit: Doctrine of signatures: (above) a plant with roots resembling a dog's testicles, and (below) a dog's genitals. Coloured ink drawing by C. Etheridge, 1906, after G.B. Della Porta. Wellcome Collection. Source: Wellcome Collection.

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