heavily in the attempt. In the course of the afternoon the enemy made
desperate attempts against the trenches all along the front of the First
Corps, but with similar results.

After dark the enemy again attacked the Second Division, only to be
again driven back.

Our losses on these two days were considerable, but the number, as
obtained, of the enemy's killed and wounded vastly exceeded them.

As the troops of the First Army Corps were much exhausted by this
continual fighting, I reinforced Sir Douglas Haig with a brigade from
the reserve, and called upon the First Cavalry Division to assist them.

On the night of the 21st another violent counter-attack was repulsed by
the Third Division, the enemy losing heavily.

On the 23d the four 6-inch howitzer batteries, which I had asked to be
sent from home, arrived. Two batteries were handed over to the Second
Corps and two to the First Corps. They were brought into action on the
24th with very good results.

Our experiences in this campaign seem to point to the employment of more
heavy guns of a larger calibre in great battles which last for several
days, during which time powerful intrenching work on both sides can be
carried out. These batteries were used with considerable effect on the
24th and the following days.

8. On the 23d the action of Gen. de Castelnau's army on the allied left
developed considerably, and apparently withdrew considerable forces of