Supreme Court of Pennsylvania September 15, 1834 (Nickle v. M'Farlane)

Per Curiam.

Presumptions from lapse of an undefined space, of time are natural, and such as generate belief by their own unassisted tendency; in which respect they differ from presumptions arising out of the lapse of a definite period — for instance, twenty years in analogy to the statute of limitations — which are artificial and generate a legal conclusion of the fact, that endures however but