reliminary survey of the boundary line in question by
officers of the United States, in order that the information necessary
for the basis of a treaty between this country and Great Britain for the
establishment of a definite boundary line may be obtained; and I also
recommend that the sum of $100,000, or so much thereof as may be
necessary, be appropriated for the expenses of making such survey.

GROVER CLEVELAND.

EXECUTIVE MANSION, _Washington, May 21, 1886_.

_To the Senate of the United States_:

I transmit herewith, for your consideration with a view to their
ratification, the "convention concerning the international exchanges for
official documents and literary publications" and the "convention for
assuring the immediate exchange of the official journal as well as of
the parliamentary annals and documents."

The first was signed at Brussels on the 15th of March, 1886, by the
plenipotentiaries of the United States, Belgium, Brazil, Spain, Italy,
Portugal, Servia, and Switzerland.

The second was signed at the same place and on the same date by the
plenipotentiaries of the above-named powers, with the exception of
Switzerland.

GROVER CLEVELAND.

EXECUTIVE MANSION, _May 21, 1886_.

_To the Senate and House of Representatives_:

I herewith transmit a report from the Secretary of State, dated the 19th
instant, touching the necessity of legislation to carry into effect the
provisions of Article II of the treaty between the United States and
China of November 17, 1880, for the repression of the opium traffic, and
recommend that appropriate legislation to fulfill that treaty promise of
this Government be provided without further delay.

GROVER CLEVELAND.

EXECUTIVE MANSION, _May 28, 1886_.

_To the House of Representatives_:

I transmit herewith a report of the Secretary of State, accompanying the
report of consuls of the United States on the trade and commerce of
foreign countries.

GROVER CLEVELAND.

EXECUTIVE MANSION, _June 1, 1886_.

_To the House of Representatives_:

In response to a resolution of the House of Representatives of the 17th
of March last, requesting the Secretary of State "to communicate to the
House of Representatives, if not incompatible with the public interest,
copies of recent correspondence and dispatches between the Secretary of
State and the minister of the United States at The Hague touching the
subject of taxation on petroleum in Holland and in the Du