Northern Congress.
Washington, July 9
--The Speaker of the House of Representatives has appointed the committees.
The chairman of the Committee on Elections is Mr. Davis; on Claims, Mr. Fenton; on Commerce, Mr. Washburne, of Illinois; on Public Lands, Mr. Potter; on Postal Affairs, Mr. Morrill, of Maryland; on the District of Columbia, Mr. Conkling; on the Judiciary, Mr. Hickman; on Revolutionary Claims, Mr. Duet; on Public Expenditures, Mr. Covode; on the Militia, Mr. Var Valkenburg; and on the Navy, Mr. Sedgwick
The Committee on Ways and Means are Messrs. Stephens, Morrill of Vermont, Phelps, Spalding, Appleton, Corning, Horton, McClelland and Stratton.
The Committee on Foreign Affairs are Messrs. Crittenden, Gooch, Cox, White of Indiana, McKnight, Burnham, Thomas of Maryland, Pomeroy and Fisher.
The Chairman of the Committee on Pensions is Mr. Van Wyck, and on Roads and Canals is Mr. Mallory. 