the Venetians from one view to the other. At the commencement of its foreign conquests, the republic regarded itself as an antitype of the Roman commonwealth, governing a number of subject provinces. Move a century onwards, and you find that it wishes to be looked upon as a corporate sovereign, claiming the rights of a feudal suzerain over its possessions in Italy and the Æegean.
During the period through which the popular ideas on the subject of sovereignty were undergoing this remarkable change, the system which stood in the place of what we now call International Law, was heterogeneous in form and inconsistent in the principles to which it appealed. Over so much of Europe as was comprised in the Romano-German empire, the connection of the confederate states was regulated by the complex and as yet incomplete mechanism of the Imperial constitution; and, surprising as it may seem to us, it was a favourite notion of German lawyers that the relations of commonwealths, whether inside or outside the empire, ought to be regulated not by the Jus Gentium, but by the pure Roman jurisprudence, of which Cæsar was still the centre. This doctrine was less confidently repudiated in the outlying countries than we might have supposed antecedently; but, substantially, through the rest of Europe feudal subordinations furnished a substitute for a public law; and when those were undetermined or
