Affairs on the Rapidan.
Orange. C. H, Dec. 1.
--Our artillery opened on the enemy yesterday morning quite spiritedly.
The enemy responded briskly, and an artillery duel was kept up during the day. At intervals there was some infantry skirmishing.
The enemy have thrown up fortifications along their front.
last night they built heavy fires in front, and moved more to our right.
There has been but one or two discharges of artillery up to 3 o'clock to-day, and but little infantry skirmishing.
One hundred and twenty seven prisoners have been sent forward by the Army Provost up to to-day; sixty more are reported exclusive of those captured by Mosby and Rosser.
Our loss in the artillery duel yesterday was slight.
Capt. Raines, from Lynchburg, of the artillery, was killed.
Weather clear and quite cold. 