It was reported in Washington yesterday and last night that President Johnson had decided to release Mr. Davis on bail, and that Horace Greeley and Commodore Vanderbilt, of New York, and others of the same city, were to go on his bond. The reports lacked confirmation, but it is certain that Mr. Greeley, Augustus Schell and Horace F. Clarke, of New York, are in Washington for the purpose of urging the immediate release of Mr. Davis.

Hon. S. R. Mallory, of Florida, Ex-Secretary of the Navy of the late Confederate States, is in Washington. It is said that he is here in search of a pardon that he may be a candidate for his old place in the United States Senate when Florida shall get back in the Union.

Yesterday was Decoration Day in Petersburg. There was a great outpouring of the people, and the grave of every Confederate soldier in old Randolph and the other cemeteries in the city was strewn with flowers. Within the past week, the bones of over 1,000 Confederates were taken from shallow graves on the battlefields around the city and restored in the cemeteries.

The telegraph reports that 1,500 Fenians left New Orleans yesterday armed with Mississippi rifles, but where none knows. 