Immediately after the entrance of the President, the Chief Justice and the Associate Justices of the Supreme Court of the United States entered the Hall and occupied seats next to the President, on the right of the Speaker's table. The others present were seated as follows: The Heads of Departments, with the Diplomatic Corps, next to the President, on the left of the Speaker's table; Officers of the Army and Navy, who, by name, have received the thanks of Congress, next to the Supreme Court, on the right of the Speaker's table; Assistant Heads of Departments, Governors of States and Territories, and the Mayors of Washington and Georgetown, directly in the rear of the Heads of Departments; The Chief Justice and Judges of the Court of Claims, and the Chief Justice and Associate Justices of the Supreme Court of the District of Columbia, directly in the rear of the Supreme Court; The Heads of Bureaus in the Departments, directly in the rear of the officers of the Army and Navy; Representatives on either side of the Hall, in the rear of those invited, four rows of seats on either side of the main aisles being reserved for Senators; The Orator of the day, Hon. George Bancroft, at the table of the Clerk of the House; The Chairmen of the Joint Committee of Arrangements, at the right and left of the orator, and next to them the Secretary of the Senate and the Clerk of the House; The other officers of the Senate and of the House, on the floor at the right and the left of the Speaker's platform. When order was restored, at twelve o'clock and twenty minutes p.m., the Marine band, stationed in the vestibule, played appropriate dirges. Hon. LAFAYETE S. FOSTER, President _pro tempore_ of the Senate, called the two Houses of Congress to order at 12.30. Rev. DR. BOYNTON, Chaplain of the House, offered the following prayer: