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

    • Porta, Giambattista della, approximately 1535-1615.
    Date:
    1906
    Reference:
    525035i
    Catalogue details

    Licence: In copyright

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

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