roads; German outposts were pushed back but dismounted cavalry attacks could not dislodge the German defenders and the cavalry in Warneton town were withdrawn during the night. The attack was resumed on 18 October, when the cavalry attacked from Deûlémont to Tenbrielen but made no progress against a strong and well-organised German defence, ending the day opposite Deûlémont in the south to the railway at Tenbrielen to the north. From the Cavalry Corps had The encounter battle ended and subsequent operations in the Battle of Messines took place after the end of the "Race to the Sea". Battle of Armentières, 13 October – 2 November On 11 October, the British III Corps comprising the 4th and 6th divisions, arrived by rail at St. Omer and Hazebrouck and then advanced behind the left flank of II Corps, towards Bailleul and Armentières. II Corps was to advance around the north of Lille and III Corps was to reach a line from Armentières to Wytschaete, with the Cavalry Corps (Lieutenant-General Edmund Allenby, 1st Viscount Allenby) on the left as far as Ypres. French troops were to relieve the II Corps at Béthune to move north and link with the right of III Corps but this did not occur. On the northern flank of III Corps, in front of the Cavalry Corps was a line of hills from Mont des Cats to Mt. Kemmel, about above sea level, with spurs running south across the British line of advance, occupied by the German IV Cavalry Corps with three divisions. On 12 October, the British cavalry advanced and captured the Mont des Cats. On 13 October, III Corps found German troops dug in along the Meterenbecque. A corps attack from La Couronne to Fontaine Houck began at in wet and misty weather and by evening had captured Outtersteene and Méteren, at a cost of On the right, French cavalry attempted to support the attack but without howitzers, could not advance in level terrain, dotted with cottages used as improvised strong points. The German defenders slipped away from defences in front of houses, hedges and walls, well sighted to keep the soldiers invisible, dug earth having been scattered rather than used for a parapet, which would have been visible. III Corps was to attack the next German line of defence before German reinforcements could reach the scene. Rain and mist made air reconnaissance impossible on 14 October