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CHAP. IX. Children was the root of the old conception of Power; and I cannot doubt that the earliest use of the Nexum, and the one primarily regarded by those who resorted to it, was to give proper solemnity to the alienation of property. It is likely that a very slight perversion of the Nexum from its original functions first gave rise to its employment in Contracts, and that the very slightness of the change long prevented its being appreciated or noticed. The old name remained because men had not become conscious that they wanted a new one; the old notion clung to the mind because nobody had seen reason to be at the pains of examining it. We have had the process clearly exemplified in the history of Testaments. A Will was at first a simple conveyance of property. It was only the enormous practical difference that gradually showed itself between this particular conveyance and all others which caused it to be regarded separately, and even as it was, centuries elapsed before the ameliorators of law cleared away the useless encumbrance of the nominal mancipation, and consented to care for nothing in the Will but the expressed intentions of the Testator. It is unfortunate that we cannot track the early history of Contracts with the same absolute confidence as the early history of Wills, but we are not quite without hints that contracts first showed themselves through the nexum being put to a new use and