north, to enable the II Bavarian Corps to occupy the ground north of the Somme. On 27 September, the German cavalry (Georg von der Marwitz), drove back the 61st and 62nd Reserve divisions of General Joseph Brugère, who had replaced General Albert d'Amade, to clear the front for the XIV Reserve Corps to link with the right flank of the II Bavarian Corps. The French began to assemble at Arras and Maud'huy found that instead of making another attempt to get round the German flank, the was menaced by a German offensive. The II Bavarian and XIV Reserve corps, pushed back a French Territorial division from Bapaume and advanced towards Bray-sur-Somme and Albert. From the French XXI and X corps north of the Somme, with support on the right flank by the 81st, 82nd, 84th and 88th Territorial divisions (Brugère) and the 1st, 3rd, 5th and 10th Cavalry divisions of the Cavalry Corps (General Conneau) to the south-east of Arras, defended the approaches to Albert. On 28 September, the French were able to stop the German advance, on a line from Maricourt to Fricourt and Thiepval. The German cavalry was stopped near Arras by the French cavalry. On 29 September, Joffre added X Corps which was at Acheux, north of Amiens, the Cavalry Corps which was south-east of Arras and a provisional corps under General Victor d'Urbal, of the 70th and 77th Reserve divisions, one in Arras and the other in Lens, to the new Tenth Army. Battle 30 September – 1 October A French division arrived at Arras on 30 September and repulsed a German attack at the Cojeul river and high ground near Monchy-le-Preux on 1 October. The French were then slowly pushed back from Guémappe, Wancourt and Monchy-le-Preux, until the arrival of X Corps. The French XI Corps was withdrawn from the Ninth Army and sent to Amiens; by 1 October two more corps, three infantry and two cavalry divisions had been sent northwards to Amiens, Arras, Lens and Lille, which increased the Second Army to eight corps, along a front of . Joffre ordered Castelnau to cease attempts to outflank the Germans opposite and operate defensively. From the northern corps of the Second Army and the Territorial and cavalry divisions nearby, Joffre created a under the command of General Maud'huy. The advanced on Arras, with the gap south to the Second Army, held by the Territorial