“I. According to the true construction and effect of the ancient statutes, founded on by the suspender, the prohibitions thereof cannot be held to operate lower down than the point or line where the fresh waters, descending from the upper streams, meet the salt water of the sea in the Frith of Dornoch, at the lowest point of ebb tide, below which line, stake-nets and all other engines being in the sea are lawful.
“It is statute and ordained that all crufis and fish dams that are within salt waters where the sea ebbs and flows, be absolutely destroyed and put down, as well they belonging to our Sovereign Lord, as others through all the realm. And as anent the cruffis in fresh waters, that they be made of sic larginess, and sic days keepit, as is contained in”