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288 to their legal genius as the use which they made of Usucapion. The difficulties which beset them were nearly the same with those which embarrassed and still embarrass the lawyers of England. Owing to the complexity of their system, which as yet they had neither the courage nor the power to reconstruct, actual right was constantly getting divorced from technical right, the equitable ownership from the legal. But Usucapion, as manipulated by the jurisconsults, supplied a self-acting machinery, by which the defects of titles to property were always in course of being cured, and by which the ownerships that were temporarily separated were again rapidly cemented together with the briefest possible delay. Usucapion did not lose its advantages till the reforms of Justinian. But as soon as law and equity had been completely fused, and when Mancipation ceased to be the Roman conveyance, there was no further necessity for the ancient contrivance, and Usucapion, with its periods of time considerably lengthened, became the Prescription which has at length been adopted by nearly all systems of modern law.

I pass by with brief mention another expedient having the same object with the last, which, though it did not immediately make its appearance in English legal history, was of immemorial antiquity in Roman law; such indeed is its apparent age that some