Whereas the time limited for the ex-
change of the ratifications of the Convention
for the establishment of international copy-
right, which was concluded at Washington on
the seventeenth day of February, one thousand
eight hundred and fifty-three, between Her
Britannic Majesty and the United States
of America may expire before the said ex-
change can be effected, the undersigned,
John Fiennes Crampton, Esq., Her Britannic
Majesty's Envoy Extraordinary and Minister
Plenipotentiary to the United States, and
William L. Marcy, Secretary of State of the
United States have met and agreed upon