A considerable number of these missiles were aimed at my division and at that of General J.C.Robinson, which were held in reserve on the north side of the river; but as our men were pretty well sheltered, there were but few casualties.
It soon became evident that the enemy would not attack the bridge heads, they being well guarded by artillery on the north bank, so Sickles' corps was detached on the 30th and ordered to Chancellorsville.
Sedgwick used the remainder of his men to great advantage by marching them back and forth among the hills in such a way as to lead Lee to suppose that a very large force confronted him.

As, however, Sedgwick did not advance, and more accurate reports were furnished by Stuart in relation to what had taken place up the river, Lee saw, on the night of the 30th, that the movement in front of Fredericksburg was a feint, and his real antagonist was at Chancellorsville.

He had previously ordered Jackson's corps up from Moss Creek and now advanced with the main body of his army to meet Hooker, leaving Early's division of Jackson's corps and Barksdale's brigade of McLaws' division of Longstreet's corps to hold the heights of Fredericksburg against Sedgwick.

Jackson, who was always prompt, started at midnight, and at 8 A.M.the next day stood by the side of Anderson at Tabernacle Church.

McLaws' division had already arrived, having preceded him by a few hours.
The error in the movement thus far made is plain.