Mr. Seward to Mr. Koerner.

No. 92.]

Sir:Your despatch of the 2d ultimo, No. 90, has been received, and that part of it which relates to the assumption of imperial authority in Mexico by the Archduke Maximilian has been read with much interest. For your information in regard to the course of the United States in connexion with this event I herewith enclose a copy of an instruction addressed by me to Mr. Dayton, our minister to Paris, on the 30th ultimo.

I am, sir, your obedient servant,

WILLIAM H. SEWARD.

Gustavus Koerner, Esq., &c., &c., &c., Madrid