An Act to enable the Commissioners of His Majesty's Woods, Forests and Land Revenues, to contract for the Purchase and Surrender of Crown Leases, and to sell His Majesty's Interest in the Thornhill Estate, in the Parish of Stallbridge, in the County of Dorset, and in certain small Parcels of Land belonging to His Majesty's Subjects within the Royal Forests; and to remove Doubts as to Estates of The Crown, sold by Order of the said Commissioners, being exempted from the Auction Duty.