WASHINGTON, May 15, 1872.

To the House of Representatives:

I transmit herewith, for the information of the House of Representatives, the correspondence which has recently taken place respecting the differences of opinion which have arisen between this Government and that of Great Britain with regard to the powers of the tribunal of arbitration created under the treaty signed at Washington May 8, 1871, and which has led to certain negotiations, still pending, between the two Governments.

U.S. GRANT.

WASHINGTON, May 17, 1872.

To the Senate of the United States:

I herewith transmit to the Senate a communication of this date from the Acting Secretary of the Interior, and the papers therein described, containing information[65] called for in the Senate resolution of the 23d ultimo, which was answered in part on the 8th [7th] instant.

U.S. GRANT.

WASHINGTON, May 21, 1872.

To the House of Representatives: