Message from the President of the United States, in compliance with a resolution of the Senate, communicating a report of an expedition led by Lieutenant Abert, on the upper Arkansas and through the country of the Camanche Indians, in the fall of the year 1845. June 16, 1846. -- Read, and referred to the Committee on Military Affairs. July 11, 1846. -- Ordered to be printed, with the maps and sketches of scenery; and that 2,000 copies in addition to the usual number be printed, 100 of which shall be for the use of the Topographical Bureau