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.

FRANKLIN PIERCE.