Mr. Seward to Lord Lyons.

My Lord: Adverting to your note of the 23d ultimo, asking to be made acquainted with the cause of the arrest and imprisonment of a Mr. J. Hardcastle, who is confined in the Old Capitol prison, and to the department’s reply, I now have the honor to enclose to you the copy of a report, of the 2d instant, from Major L. C. Turner, judge advocate, on the subject.

I have the honor to be, with high consideration, your lordship’s obedient servant,

WILLIAM H. SEWARD.

Right Hon. Lord Lyons, &c., &c., &c.