An Act to extend the Provisions of an Act passed in the Forty-seventh Year of His present Majesty, for discharging from the Claims of the Crown certain Real and Personal Estates belonging to General De Lancey, late Barrack Master General, and vested in Trustees for the Sale; and also for vesting and settling certain Lands heretofore contracted to be purchased by the said General De Lancey in Trustees, to be sold for payment of a Debt due of the Crown, and for other Purposes relative thereof.