The returns of said election shall be made by the election officers direct to the secretary of the territory of New Mexico at Santa Fe, who, with the governor and the chief justice of said territory, shall constitute a canvassing board, and they, or any two of them, shall meet at said city of Santa Fe on the third Monday after said election and shall canvass the same. Said canvassing board shall make and file with the secretary of the territory of New Mexico, a certificate signed by at least two of them, setting forth the number of votes cast at said election for or against the constitution, respectively.