middle, due to the success of the mixed and half-British force under the Duke of York: a success which had not been maintained on the two wings. A bulge of this sort in an attacking line is on the face of it disastrous. The enemy have only to be rapid in falling upon either flank of it and the bulge can be burst in. The French were rapid, and burst in the bulge was. By concentrating their forces against this one central part of the Allies they fought three to one.
That same capacity which at Wattignies had permitted them to scorn sleep and to be indefatigable in marching, put them on the road before three o'clock in the morning of Sunday, the 18th, and with the dawn they fell upon the central force of the Allies, attacking it from all three sides.
It is on this account that the battle is called the Battle of Tourcoing, for Tourcoing was the most advanced point to which the centre of the Allies had reached. The Germans, upon the Duke of York's right at Tourcoing, felt the first brunt of the attack. The Duke of York himself, with his mixed, half-British force, came in for the blow immediately afterwards, and while it was still early morning. The Germans at Tourcoing began to fall back. The Duke of York's force, to the left of them, was left isolated: its commander ought not to have hung on so long. But the defence was maintained with the utmost gallantry for the short time during which it was still possible. The retreat began about nine in the morning and
