I Decide to Visit the Hostile Indians—Tabby's Message—My Ruse to Avoid being Killed or Driven Away—Tabby's Relenting—The Design to Raid Coalville Frustrated.My Discharge by the Government Agent—I Prepare, in Mid-Winter, to Again Visit the Indians—Bradley Sessions Accompanies me—Our Terrible Journey and Sufferings—Reception at the Agency.CHAPTER XXVIII.