Mr. Seward to Mr. Koerner.

No. 74.]

Sir:For your information I enclose herewith a copy of a despatch of the 12th instant from the consulate general at Havana, on the subject of an apprehended revolt of the negroes on the island, through the agency of Dominican and Haytian emissaries.

I am, sir, your obedient servant,

WILLIAM H. SEWARD.

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