Political Demonstration At Washington

Washington, July 10. In addtion to thoso mentioncd in the last niglt's dispateh as addressing the Breckinidge meeting, were Senators Brown lid Davis, and Representativo Florence A letter was read froai D. S. DickinsQ, saying that lie will support the nominatíiis uut only because he retarda them asiersonally and politieally worthy. but beoase their nomination emanates froin thiStates whieh give Democratie votes intho electoral college, and because ware, therefore, representativos of the Imocraoy and its principien. The 1-esideut's speech last night was quite loe, some three thousand words. He exptísed Lis gratifieation at the nomination í Breckiuridge and Lañe, lio gave a history of the establishmeut of the two-thirds rule in the National Convention, wliich was in order o prevent, the anti-Deuiocratic States -om combiniug with a few Democratie tates to nomínate a caudidate disagreeie to those who would have to eleet !ra. Neacr Breckinridge nor Douglas re ceivea regular two-thirds nomination, hencfauy Democrat was at liberty to )te for either. The Presidentien went at length iuto an argumen;o sliow that each citizen of any Stathas the same right to protection to his perty in the common Territories witUny citizen of the other States. In inclusión, the President said tbis waarubably the last political speech he shdd ever make. IJis position rended it improper for him to particípate iuie canvass, although his heart was in it He spoke of the long time he had ba acquaiuted with the City of Washton and wishcd ail its citizeus uninterrted Jiealth and prosperity. Ir. Cobb, in some brief reraarks, expssed confidence in the success of ickiuridge and Lane, and urged all gd Demócrata to exert themselves to tt end. Three hearty cheers were giv(for the President.