Comm. 237; Norton v. Shelby County, 118 U. S. 425, 6 Sup. Ct. 1121, 30 L. Ed. 178; Gallup v. Fox, 04 Conn. 401, 30 Atl. 750; Reid v. Field, 83 Va. 20, 1 S. E. 305; Ballard v. Nye, 138 Cal. 588, 72 Pac. 150; Ansonia v. Cooper, 64 Conn. 530, 30 Atl. 700; Smyth v. Lynch, 7 Colo. App. 383, 43 Bac. 070. This is where a person adopts a contract or other transaction which is not binding to him because it was entered into by an unauthorized agent or the like. Leake, Cout 268.