by parol वाक्य

{{ quote | text = If I were to consider this matter without regard to recent developments in the law, there is no doubt that had the plaintiffs claimed it, they would have been entitled to recover ground rent at the rate of ?, 500 a year from the beginning of the term, since the lease under which it was payable was a lease under seal which, according to the old common law, could not be varied by an agreement by parol ( whether in writing or not ), but only by deed.