A blessed thistle (Cnicus palustris) with an associated insect and its anatomical segments. Coloured etching, c. 1830.

    Date:
    1 June 1830
    Reference:
    24051i

    Licence: Public Domain Mark

    Credit: A blessed thistle (Cnicus palustris) with an associated insect and its anatomical segments. Coloured etching, c. 1830. Wellcome Collection. Source: Wellcome Collection.

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