This harassing warfare had a crisis in July. The operations of July 19, which were shared with the 61st Division by the 5th Australian holding trenches further north, were designed as a demonstration to assist our attack upon the Somme and to hold opposite to the XI Corps certain German reserves, which, it was feared, would entrain at Lille and be sent south. That object was achieved, but at the cost of severe casualties to the divisions engaged, which were launched in daylight after artillery preparation, which results proved to have been inadequate, against a trench-system strongly manned and garrisoned by very numerous machine-guns. The objectives assigned to the 61st Division were not captured, while the Australians further north, after entering the German trenches and taking prisoners, though they held on tenaciously under heavy counter-attacks, were eventually forced to withdraw. 'The staff work,' said the farewell message from the XI Corps to the 61st Division three months later, 'for these operations was excellent.' Men and officers alike did their utmost to make the attack of July 19 a success, and it behoves all to remember the sacrifice of those who fell with appropriate gratitude. It was probably the last occasion on which large parties of storming infantry were sent forward through 'sally ports.' The Battalion was in reserve for the attack. C Company, which formed a carrying party during the fighting, lost rather heavily, but the rest of the Battalion, though moved hither and thither under heavy shelling, suffered few casualties. When the battle was over, companies relieved part of the line and held the trenches until normal conditions returned.