agent of each, and thereby they ‘are respectively bound, if he has not exceeded his authority. Saladin v. Mitchell, 45 Til. 88;

tions made by man) which may serve to define and fix one or more of the lines inclosing an estate or piece of property, such as a watercourse, a line of growing trees, a bluff or mountain chain, or the like. See Peuker v. Canter, 62 Kan. 363, 63 Pac. 617; Stapleford v. Brinson, 24 N. C. 311; Eureka Mining, etc., Co. v.