 In 1855, most of the hundred (except Barnes, Merton, Mortlake and Wimbledon) was included in the area of responsibility of the Metropolitan Board of Works by the Metropolis Management Act 1855.The hundred fell into almost total disuse when the area (except Barnes, Merton, Mortlake and Wimbledon) became part of the County of London in 1889.In 1894 and 1900 all local government functions were replaced by a system of uniform districts, which were replaced in 1965 by the London boroughs.