Mr. Seward to Lord Lyons.

My Lord: I have the honor to communicate a copy of a telegram this day received from the United States consul general at Montreal, relative to a supposed gathering of insurgents at Windsor, Canada. This information is imparted in order that you may take into consideration the expediency of making the same known to her Majesty’s authorities in Canada.

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

WILLIAM H. SEWARD.

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

[Telegram.]

Mr. Giddings to Mr. Seward.

United States Military Telegraph, War Department.

[Received in cipher, January 12.]

Montreal, January 12, via New York,January 12, 1864.

Lieutenant Braine, Colonel Talbot, and other confederates are here on their way to Windsor. There seems to be a concentration there for some purpose,

J. R. GIDDINGS, United States Consul.

Hon. William H. Seward, Secretary of State.