Answers for John Balfour of Trenabay, Esq; Thomas Stewart Trail of Tirlot Esq; Murdoch Mackenzie, Esq; of Groundwater; Thomas Trail of Holland, Esq; and others, Heritors of the United Parishes of Westray and Papa Westray, in Orkney; to the Petition, and Additional Petition, of the Right Honourable Thomas, Lord Dundas