Frog-bit plant (Hydrocharis morsus-ranae) with an associated water-beetle and its abdominal segments. Coloured etching, c. 1830.

    Date:
    1 May 1830
    Reference:
    24045i

    Licence: Public Domain Mark

    Credit: Frog-bit plant (Hydrocharis morsus-ranae) with an associated water-beetle and its abdominal segments. Coloured etching, c. 1830. Wellcome Collection. Source: Wellcome Collection.

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