Reserves may be cancelled by Proclamation.

9. The Governor on the application of the Superintendent of the said Province, may at any time by Proclamation published as aforesaid, cancel any Proclamation or other instrument heretofore or hereafter to be made by such Superintendent, reserving any Waste Lands of the Crown not being lands specially set apart for purposes of public convenience, health, or enjoyment, within such Province for public purposes, and on the expiration of thirty days from the publication of such proclamation of cancellation, the lands affected thereby shall be open for sale or occupation or disposal, as if they had never been reserved.