fired on as they were assembling by a patrol of the Germans who had crossed the stream to our side without our patrols seeing them. The 59th Brigade had not established patrols on our side of the stream & had not patrolled the other side & this was no doubt the cause of the failure. An order was issued for the Brigade to attack again next morning & this was more successful but although we managed to establish posts on the far bank the concrete dug outs of Au-Bon-Gite still held out. There was a good deal of fighting that day & the Germans counter attacked, but we held on to what we had gained & took 23 prisoners. The success of the attack on Langemarck on the 16 entirely depended