Hon. H. HAMLIN,
President United States Senate.

SIR: In reply to the resolution of the Senate dated February 14, 1865, I transmit herewith a communication from the Secretary of War, forwarding a copy of the report of the court of inquiry "in respect to the explosion of the mine in front of Petersburg."

I am, sir, very respectfully, your obedient servant,

ABRAHAM LINCOLN.

WASHINGTON, D.C., March 2, 1865.

Hon. SCHUYLER COLFAX,
Speaker of the House of Representatives:

I transmit herewith the report of the Secretary of War, which, with my permission, has been delayed until the present time to enable the Lieutenant-General to furnish his report.

A. LINCOLN.

[The same message was addressed to the President of the Senate.]

WASHINGTON, March 3, 1865.