vades so much of the laws of the races who overran the Roman Empire as appears to have really formed Part of their primitive usage, and we may suspect that it would have perpetuated itself even more than it has in modern European jurisprudence, if it had not been for the vast influence of the later Roman law on modern thought. The Praetors early laid hold on Cognation as the natural form of kinship, and spared no pains in purifying their system from the older conception. Their ideas have descended to us, but still traces of Agnation are to be seen in many of the modern rules of succession after death. The exclusion of females and their children from governmental functions, commonly attributed to the usage of the Salian Franks, has certainly an agnatic origin, being descended from the ancient German rule of succession to allodial property. In Agnation too is to be sought the explanation of that extraordinary rule of English Law, only recently repealed, which prohibited brothers of the half-blood from succeeding to one another's lands. In the Customs of Normandy the rule applies to uterine brothers only, that is, to brothers by the same mother but not by the same father; and, limited in this way, it is a strict deduction from the system of Agnation, under which uterine brothers are no relations at all to one another. When it was transplanted to England, the English judges, who had no clue to its principle, interpreted
L 4
