ART. IV. His Majesty, the Emperor of all the Russias, shall appoint, with convenient dispatch, an agent or agents, for the purpose of formally delivering to a similar agent or agents, appointed on behalf of the United States, the territory, dominion, property, dependencies, and appurtenances which are ceded as above, and for doing any other act which may be necessary in regard thereto; but the cession, with the right of immediate possession, is nevertheless to be deemed complete and absolute on the exchange of ratifications, without waiting for such formal delivery. ART. V. Immediately after the exchange of the ratifications of this convention, any fortifications or military posts which may be in the ceded territory shall be delivered to the agent of the United States, and any Russian troops which may be in the territory shall be withdrawn as soon as may be reasonably and conveniently practicable. ART. VI. In consideration of the cession aforesaid, the United States agree to pay, at the Treasury in Washington, within —— months after the exchange of the ratifications of this convention, to the diplomatic representative, or other agent of His Majesty, the Emperor of all the Russias, duly authorized to receive the same, —— million dollars in gold. The cession of territory and dominion herein made is hereby demanded to be free and unincumbered by any reservations, privileges, franchises, grants, or possessions, by any associated companies, whether corporate or incorporate, Russian or any other, or by any parties except merely private individual property holders; and the cession hereby made conveys all the rights, franchises, and privileges now belonging to Russia in the said territory or dominion and appurtenances thereto. ART. VII. When this convention shall have been duly ratified by the President of the United States, by and with the advice and consent of the Senate, on the one part, and on the other by His Majesty, the Emperor of all the Russias, the ratifications shall be exchanged at Washington within —— from the date hereof, or sooner, if possible. In faith whereof the respective plenipotentiaries have signed this convention, and thereto affixed the seals of their arms. EXTRADITION TREATIES. 1. Treaties have been made from time immemorial between rulers and nations for the purpose of promoting the interests of one or both parties in their commercial relations, or to secure allies in war; but the kind of treaties mentioned at the head of this section are of modern origin; and shows strongly the progress of nations toward a substantial unity of interests and of discipline.