The appearance, semblance, or simulacrum of title. Any fact, extraneous to the act or mere will of the claimant, which has the appearance, on its face, of supporting his claim of a present title to land, but which, for some defect, in reality falls short of establishing it. Wright v. Mattison, 18 How. 56, 15 L. Ed. 280; Cameron v. U. S