...g the post of Pilot Knob,) I moved with a detachment of my regiment from this point on the eighteenth instant, from Greenville, to form a junction with a battalion from Cape Girardeau. I arrived at Greenville at noon on the twentieth instant, and had to remain there till the evening of the twenty-first, for the troops from the Cape. When they joined me on the morning of Thursday, the twenty-second, I mo...