Hazel twig (Corylus avellana) with an associated insect and its anatomical segments. Coloured etching, c. 1831.

    Date:
    1 February 1831
    Reference:
    24190i

    Licence: Public Domain Mark

    Credit: Hazel twig (Corylus avellana) with an associated insect and its anatomical segments. Coloured etching, c. 1831. Wellcome Collection. Source: Wellcome Collection.

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