An act for draining and preserving certain fen lands in the isle of Ely, and county of Norfolk, lying between the hundred foot river and the Ouse, and bounded on the south by the hard lands of Mepall, Wicham, Wentworth, Wichford, Ely, Downham, and Littleport; and for impowering the governor, bailiffs, and commonalty of the Company of Conservators of the great level of the fens, commonly called Bedford level, to sell certain lands lying within the limits aforesaid, commonly called invested lands.