Special Message

To the Senate of the United States:

I transmit to the Senate, for consideration with a view to ratification,. a "treaty of transits and commerce between the United States of America and the Mexican Republic," and also a "convention to enforce treaty stipulations" between the same parties, both of which were signed by the plenipotentiaries of the respective Governments at Vera Cruz on the 14th December ultimo.

I also transmit a copy of a dispatch of the minister of the United States accredited to the Mexican Government to the Secretary of State, relative to these instruments.

JAMES BUCHANAN.