Except as provided in sections thirty-three, thirty-four and thirty-five, the decrees and orders of a Settlement-officer passed, whether in the first instance or on appeal, in exercise of the powers of a Civil Court of any grade, shall, for the purposes of appeal, reference and revision, be deemed to be decrees and orders of a Civil Court of such grade, and no appeal shall lie under the provisions of section twenty-two from such decrees or orders.