the troops went on diligently and uninterruptedly, and on the 15th of October the grand aggregate of the forces in and around Washington
was one hundred and fifty-two thousand and fifty-one, of whom one hundred and thirty-three thousand two hundred and one were present and fit for active duty.
The infantry was arranged in brigades of four regiments each, and divisions of three brigades each were gradually formed, with artillery and cavalry attached to each division as .far as was practicable.
The formation into corps was to be postponed until the army had been for some time in the field, as were recommendations for the promotion of officers to the rank of major-generals till actual trial in service had shown who were best fitted for these important posts.
On the 15th of October, the main body of the Army of the Potomac was in the immediate vicinity of Washington
, with detachments on the left bank of the river as far down as Liverpool Point
and as far up as Williamsport
and its vicinity.
was at Baltimore
, General Banks
, and General Stone
On the 21st of October, the disastrous engagement at Ball's Bluff took place.
Efforts have been made to connect the name of General McClellan
with this affair; but the facts in the case, and especially the testimony taken by the Congressional Committee on the Conduct of the War
, show that the reconnoissances directed by him had been brought to a close during the preceding day, and that the movements which led to the battle of the 21st were