Mrs. Masson calls on Lincoln and asks that James H. McEwen, prisoner of war at Rock Island, Ill., be pardoned. Abraham Lincoln to John Catron, 6 April 1864, CW, 7:288.

President decides that Gen. Butler need not come to Washington relative to plan for exchange of prisoners. Butler, Correspondence, 4:29.

Attends meeting in House of Representatives at night, to hear speech of George Thompson, English antislavery orator. Washington Star, 7 April 1864.