Special Message

To the Senate of the United States:

I have the honor to inclose herewith a letter just received from the Secretary of War, transmitting a communication from the Colonel of the Corps of Topographical Engineers, with accompanying papers, which he requests may be taken as a supplement to the "report and map of Lieutenant J. D. Webster, Corps of Topographical Engineers, of a survey of the Gulf coast at the mouth of the Rio Grande and its vicinity," called for by a resolution of the Senate of the 1st of July last.

MILLARD FILLMORE.