Message from the President of the United States transmitting an authenticated copy of a treaty signed by the plenipotentiaries of the United States and France on August 3, 1911, extending the scope and obligation of the policy of arbitration adopted in the present arbitration treaty of February 10, 1908, between the two countries, so as to exclude certain exceptions contained in that treaty and to provide means for the peaceful solution of all questions of difference which it shall be found impossible in future to settle by diplomacy.