...he Mississippi, about which only mysterious hints were given. Meanwhile Wilkinson had arrived at Natchitoches to repel, with 500 or 600 troops, a Spanish invasion of the Territory of Orleans from Texas . There a young man appeared in camp with a letter of introduction from Jonathan Dayton, of New Jersey, to Colonel Cushing, the senior officer next to Wilkinson. He also slipped, unobserved, a let...