And be it enacted, That as soon as conveniently may be after the passing of this Act, the Sheriff of every County in Scotland shall select from the List of Jurors contained in the General Jury Book of the County whereof he is Sheriff, the Names of all Persons qualified to be Special Jurors in Terms of this Act; and such Names so selected shall be entered in the Special Jury Book of such County, as Persons liable to serve as Special Jurors: Provided always, that in making such Selection the Sheriff shall take the Names of such Jurors in the Order in which they stand in the said General Jury Book, and shall enter the said Names in the same Order in the Special Jury Book, immediately after the Names which shall have been entered in the said Special Jury Book at the Time of the passing of this Act; and provided also, that in case the Names of Special Jurors entered in the Special Jury Book shall have been all returned to serve as Jurors before the Names contained in the General Jury Book shall in like Manner have been gone through, the Sheriff, in making Returns of Special Jurors, shall recommence to take the Names from the Top of the List entered in the Special Jury Book, and shall so return the Names in their regular Order in which they stand in the said Book, until new Lists shall be prepared.