WASHINGTON, _March 1, 1852_.
_To the Senate and House of Representatives of the United States_:
In compliance with the provisions of the act of Congress of the 11th
August, 1848, I transmit to that body the copy of a dispatch from the
commissioner _ad interim_ of the United States at Canton, together with
the copy of certain rules and regulations for masters, officers, and
seamen of vessels of the United States of America at the free ports of
China, which accompanied said dispatch, and which are submitted for the
revision of Congress.