Two out of four divisions of Longstreet's corps were absent.

The fourth, under Major-General Lafayette McLaws, was posted from Hamilton's crossing to Banks' Ford.

Still farther up and beyond the front of either army, the crossing-places were watched by the rebel cavalry under Major- General J.E.B.Stuart, supported by the Third Division of Longstreet's corps, that of Anderson.
[* Napoleon says 100,000 men on the rolls are only equivalent to about 80,000 muskets in action.

It is doubtful if Hooker had over 113,000 men for actual combat.

Lieut.-Colonel W.T.Forbes, Assistant Adjutant General, who has had access to the records, after a careful estimate, places the number as follows.