WASHINGTON, _May 29, 1856_.
_To the Senate of the United States_:
In further answer to the resolution of the Senate of the 17th of January
last, requesting a copy of any official correspondence not previously
communicated touching the construction and purport of the convention
between the United States and Great Britain of the 19th of April, 1850,
I transmit a copy of an instruction of the 24th instant from the
Secretary of State to the minister of the United States at London.