A Back's grayling and a cross-section of its gill. Coloured etching by J. Curtis.

    • Curtis, John, 1791-1862.
    Date:
    1823
    Reference:
    42014i
    Catalogue details

    Licence: Public Domain Mark

    Credit: A Back's grayling and a cross-section of its gill. Coloured etching by J. Curtis. Wellcome Collection. Source: Wellcome Collection.

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