the following additional article to the said
Convention: Additional Article.
The time within which the aforesaid ex-
change of ratifications was originally to have
taken place shall be extended to a period of
six months from this date.
In testimony whereof, the undersigned have
hereunto set their hands and affixed their seals.
Done, in duplicate, at Washington, this eight
day of February, in the year of our Lord one
thousand eight hundred and fifty-four. John F Crampton