“The question is whether that ought to be treated as evidence of a lost grant, which might have had a legal origin. If such a grant could not have had a legal origin, then it is not competent for us to presume its existence. On the other hand, if it could have had a legal origin, then we ought to presume the existence of such a grant, when there is evidence of user for such a long period.” “The question is whether that ought to be treated as evidence of a lost grant, which might have had a legal origin. If such a grant could not have had a legal origin, then it is not competent for us to presume its existence. On the other hand, if it could have had a legal origin, then we ought to presume the existence of such a grant, when there is evidence of user for such a long period.”