From Washington

Special Diapatch to the N. Y. World. Washington, March 22. Several members of the Virginia convention, who are temporarily in this city, called on the President to-day, and were very much ploased with their interview. Mr. Lincoln jocosely remarked that, if they all could üave a short time to ijuiotly talk over our trouble, he thought everything could be settled to the satisfaction of ovcrybody. He further added that he should make no changes in offices in the southern States unless those seeking appointraents were acce[)table to a majority of the inbabitants. Ha instaneed lus appoiutment as Postmaster at Louisville of a Bell and Everctt man in preference to a quasi-republican, who wasalleged to be very objectionable to tbe people ot that city. Hon George W Sumhiers, of Kanawha, telegraphed to the President to-day, froni the Virginia convention, urging au inimediate cali of an extra sossion of Congress, and the adoption of conciliatory measures, as a fair eaucus of the convention shows that ouly tlirce votes were wanting to pass an ordinauce of secessiou. Considerable excitemeiit was caused by the departure of Uol. Lamon, President Lincoln's law partner, for llichmond, tonight. Superintendent Barbour, of the armory at Ilarper's Ferry, resigried to-day, having becoiue a eonvert to secession. An extra session of Congress is now quite probable, the qjestion having been nearly decidad ou in admiuistration circles to-day. It is coiifidetitly believed, in well-informed circles, that Mr. Geward is pre paring a reply to the southeru Commissiouers, holding that, as the present condition of aifairs was totally unforesceu by the framers of the oonstitution, the President has no constitutioual power to recognizo their domands. The document, it is said, will be in the form of an address to the people of the seceded States, and, white distinctly foreshadowing the poace policy of the administration, will invite, on their part, the adoption of similar poaceful and conciliatory measures. He will also make a powerful appeal to the people, North and South, to drop all animosities and resort to the constitutioual means, a naiional conventiou, for the settlement of thoir grievances. Hon. Williamson R. W. Cobb, late conservative member of Congress from Alabama, has arrived here from Montgomery. Although opposed to secession, he says that the new government will be a great one, and that no hopes of reconstruction need be entertained. Washington, March 25. Tntelligenco received hereto-d ay from Montgomory states that, by the lst of April, ■ there would bc eoncontrated at Pensacola fivo thousand troops from the Confedérate States. This sudden movement of troops in that direetion was made upon the statement that reinforcements liad been sent from New York for Fort Pickens. The Montgomery government deemed it advisable to be fully proparod for any emergency. The Postinastcr General is experieneing sorne trouble from the new Mail Agents in Virginia. The people along the routes threaten tar and feathers to the unlucky Agonts if they attompt to do thcir duty, and onc bas alrcady resigned aud the other is oxpeeted to throw up his commission. Several Virginia repu 61 icans havo preseuted thcmselves for thef vacancies, and will serve at all hazards. I the people interrupt thein the mails are likoly to be cut off.