Mr. Seward to Mr. Dayton

No. 561.]

Sir: I have the honor to acknowledge the receipt of your despatch of May 2, No. 461, and to approve of your proceedings therein mentioned. We learn that Mr. Corwin, our minister plenipotentiary to Mexico, is at Havana, on his return to the United States, under leave of absence.

I am, sir, your obedient servant,

WILLIAM H. SEWARD.

William L. Dayton, Esq., &c.