ever we may interpret it, it must have enormously enlarged the sphere of the Patria Potestas, and it seems to me that the tightening of family relations which it effected is an agency which ought to be kept in view more than it has been, in accounting for the great moral revolution which was transforming the world.
Before this branch of our subject is dismissed, it should be observed that the Paterfamilias was answerable for the delicts (or torts) of his Sons under Power. He was similarly liable for the torts of his slaves; but in both cases he originally possessed the singular privilege of tendering the delinquent's person in full satisfaction of the damage. The responsibility thus incurred on behalf of sons, coupled with the mutual incapacity of Parent and Child under Power to sue one another, has seemed to some jurists to be best explained by the assumption of a "unity of person" between the Pater-familias and the Filius-familias. In the chapter on Successions I shall attempt to show in what sense, and to what extent, this "unity" can be accepted as a reality. I can only say at present that these responsibilities of the Paterfamilias, and other legal phenomena which will be discussed hereafter, appear to me to point at certain duties of the primitive Patriarchal chieftain which balanced his rights. I conceive that, if he disposed absolutely of the persons and fortune of his clansmen, this repre-
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