I transmit herewith, for the information of Congress, a copy of the preliminary report of the board of management of the World's Industrial and Cotton Centennial Exposition, showing their operations and containing observations upon other matters concerning the project deemed of importance.

CHESTER A. ARTHUR.

EXECUTIVE MANSION, May 6, 1884.

To the House of Representatives:

In answer to that part of the resolution of the House of Representatives of the 17th of January last respecting the question of boundaries between the Republics of Mexico and Guatemala, I transmit herewith the report of the Secretary of State and its accompanying papers.

CHESTER A. ARTHUR.

EXECUTIVE MANSION, Washington, May 12, 1884.

To the House of Representatives:

I transmit herewith, in answer to the resolution of the House of Representatives of the 6th of February last, a communication from the Secretary of State, respecting the extradition of criminals under the treaty of 1842 with Great Britain.

CHESTER A. ARTHUR.