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priated to public use, or ceded to the United States, which shall hereafter be sold or disposed of, together with the fund denominated the common school fund, shall be and remain a perpetual fund, the interest of which shall be inviolably appropriated and applied to the support of common schools throughout this State. Rates of toll, not less than those agreed to by the canal commissioners, and set forth in their report to the legislature of the twelfth of March one thousand eight hundred and twenty-one, shall be imposed on, and collected from, all parts of the navigable communication between the great western and northern lakes and the Atlantic Ocean, which now are, or hereafter shall be, made and completed: and the said tolls, together with the duties on the manufacture of all salt, as established by the act of the fifteenth of April one thousand eight hundred and seventeen; and the duties on goods sold at auction, excepting therefrom the sum of thirty-three thousand five hundred dollars otherwise appropriated by the said act; and the amount of the revenue, established by the act of the legislature of the thirtieth of March one thousand eight hundred and twenty, in lieu of the tax upon steam-boat passengers; shall be and remain inviolably appropriated and applied to the completion of such navigable communications, and to the payment of the interest, and reimbursement of the capital, of the money already borrowed, or which hereafter shall be borrowed, to make and complete the same. And neither the rates of toll on the said navigable communications, nor the duties on the manufacture of salt aforesaid, nor the duties on goods sold at auction, as established by the act of the fifteenth of April one thousand eight hundred and seventeen; nor the amount of the revenue established by the act of March the thirtieth one thousand eight hundred and twenty, in lieu of the tax upon steam-boat passengers; shall be re-
