Keywords: Bog butter from A Descriptive Catalogue of the Antiquities in the Museum of the Royal Irish Academy 1857.png en Line drawing of a partly destroyed wooden barrel with w bog butter in it found in Ireland Bog butter is butter found in swamps placed there for preservation A Descriptive Catalogue of the Antiquities in the Museum of the Royal Irish Academy In the Museum of the Royal Irish Academy From http //books google co uk/books id ZjU2AAAAMAAJ Google Books Royal Irish Academy Museum William Robert Wilde 1857 PD-old Butter Marshes of Ireland Archaeological bog finds Bog butter |