take in stating the uses or setting out the remainders would, two hundred years ago, have vitiated an English deed. Indeed, the mischiefs of the archaic ceremonial are even thus only half stated. So long as elaborate conveyances, written or acted, are required for the alienation of land alone, the chances of mistake are not considerable in the transfer of a description of property which is seldom got rid of with much precipitation. But the higher class of property in the ancient world comprised not only land but several of the commonest and several of the most valuable moveables. When once the wheels of society had begun to move quickly, there must have been immense inconvenience in demanding a highly intricate form of transfer for a horse or an ox, or for the most costly chattel of the old world—the Slave. Such commodities must have been constantly and even ordinarily conveyed with incomplete forms, and held, therefore, under imperfect titles.
The Res Mancipi of old Roman law were, land—in historical times, land on Italian soil,—slaves and beasts of burden, such as horses and oxen. It is impossible to doubt that the objects which make up the class are the instruments of agricultural labour, the commodities of first consequence to a primitive people. Such commodities were at first, I imagine, called emphatically Things or Property, and the mode of conveyance by which they were transferred was
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