I shall submit, for the consideration of the Senate, a convention for
the adjustment of possessory claims in Washington Territory, arising
out of the treaty of the 15th of June, 1846, between the United
States and Great Britain, and which have been the source of some
disquiet among the citizens of that now rapidly improving part of the
country.

A novel and important question, involving the extent of the maritime
jurisdiction of Spain in the waters which surround the island of
Cuba, has been debated without reaching an agreement, and it is
proposed, in an amicable spirit, to refer it to the arbitrament of a
friendly power. A convention for that purpose will be submitted to
the Senate.

I have thought it proper, subject to the approval of the Senate, to
concur with the interested commercial powers in an arrangement for
the liquidation of the Scheldt dues upon the principles which have
been heretofore adopted in regard to the imposts upon navigation in
the waters of Denmark.

The long-pending controversy between this government and that of
Chile touching the seizure at Sitana, in Peru, by Chilean officers,
of a large amount in treasure belonging to citizens of the United
States has been brought to a close by the award of His Majesty the
King of the Belgians, to whose arbitration the question was referred
by the parties. The subject was thoroughly and patiently examined by
that justly respected magistrate, and although the sum awarded to the
claimants may not have been as large as they expected there is no
reason to distrust the wisdom of His Majesty's decision. That
decision was promptly complied with by Chile when intelligence in