Where these impediments do not exist, or can be surmounted, the act of conveyance itself is generally burdened with a perfect load of ceremony, in which not one iota can be safely neglected. Ancient law uniformly refuses to dispense with a single gesture, however grotesque; with a single syllable, however its meaning may have been forgotten; with a single witness, however superfluous may be his testimony. The entire solemnities must be scrupulously completed by persons legally entitled to take part of it, or else the conveyance is null, and the seller is re-established in the rights of which he had vainly attempted to divest himself.
These various obstacles to the free circulation of the objects of use and enjoyment, begin of course to make themselves felt as soon as society has acquired even a slight degree of activity, and the expedients by which advancing communities endeavour to overcome them form the staple of the history of Property. Of such expedients there is one which takes precedence of the rest from its antiquity and universality. The idea seems to have spontaneously suggested itself to a great number of early societies, to classify property into kinds. One kind or sort of property is placed on a lower footing of dignity than the others, but at the same time is relieved from the fetters which antiquity has imposed on them. Subsequently, the superior convenience of the rules go-
