A writ which lay for a lord directed to the sheriff, commanding him to apprehend a fugitive villein, and restore him, with all his chattels, to the lord. Reg. Orig. 87; Fitzh. Nat. Brev. 77.
Do nomine proprio non est eurandum cum in substantia non erretur; quia nomina mutabUia sunt, res autem immobile. 6 Coke, 06. . As to the proper name, it is not to be regarded where it errs not in substance, because names are changeable, but things immutable.
De non apparentibus, et non existentibus, eadem est ratio. 5 Coke, 6. As to things not apparent, and those not existing, the rule is the same.