11 A. M.—A courier, just*arrived, reports that Jackson has go! bet ween the Yankees and the river, Lee and Jackson were both on the held ail night. About 100 prisoners were at headquarters lastnight. Jackson’s old division was on the right and Anderson’s on the left. Yankee double quicking on the other side of the river can’t save those on this.1:M P. M.—Col. Harris, of the 12th Mississippi, was slightly wounded late last evening in the thigh, near the plank road ; lie goes down on the cars to-day lie and a Lieutenant were the onlywounded in his regiment. The casualties are reported very few. Two hundred and fifty prisoners were taken in a squad. A report from Fredericksburg, still unoccupied and not fired on, says the enemy crossed last night at Sanford's ford, one mile above Burk’s ford, and got into the fight near Decker’s yesterday evening, and were driven back to the river. This morning three brigades, and four batteries yesterday evening, passed vp opposite Fredericksburg. The force opposite Fredericksburg is apparentlymuch reduced.