“In an action pursued by the Laird of Dunipace contra his tenants, wherein the pursuer's sasine being quarrelled for not being registered in the clerk register's books within the space of sixty days after the date thereof, the Lords repelled that allegeance, because they found no person had interest to propone that nullity, but a third person who had a lawful right to the lands standing in his person, as the words of that act itself purport, viz. the act of parliament 1617.”