(_c_) At 6.30 P.M. each evening from the 12th September inclusive, night firing will commence and continue till 6 A.M. Lethal shells will be used. 4. (_a_) The 2nd Guards Brigade will attack on the right of the Division――the 1st Guards Brigade the left, and the 3rd Guards Brigade will be in divisional reserve. (_b_) The 4th Brigade of the Fourteenth Division will attack on the left of the 1st Guards Brigade. (_c_) Boundaries are shown on attached map. 5. _Forming-up Areas._――Forming-up areas are shown on attached maps. Instructions as to movement of troops to their forming-up areas will be issued separately. 6. Objectives allotted to Guards Brigades and neighbouring Divisions are shown on attached map. First objective is marked Green. Second ” ” Brown. Third ” ” Blue. Fourth ” ” Red. 7. The infantry will advance to the attack of the Green line at zero. To the attack of the Brown line at zero + 1 hour. To the attack of the Blue line at zero + 2 hours. To the attack of the Red line at zero + 4 hours and 30 minutes. 8. _Artillery Barrages_―― (_a_) 50 per cent of Field Artillery covering the Division will be used for creeping barrage, and 50 per cent for stationary barrage. (_b_) Details of stationary barrages will be issued later. In all cases the stationary barrages will lift back when the creeping barrage reaches it. (_c_) At zero the creeping barrage will open 100 yards in front of our trenches, and will advance at rate of 50 yards per minute until it is 200 yards beyond the first objective, when it will become stationary. At zero + 1 hour the creeping barrage will become intense on a line 200 yards in front of the first objective, and will creep forward at rate of 50 yards per minute in front of that portion of the 1st Guards Brigade which is to advance to the second objective. (_d_) At zero + 1 hour and 10 minutes the creeping barrage will become intense on a line 200 yards in front of the first objective as far north as T.8.b.4.6, thence on a line 200 yards in front of second objective, and will advance at rate of 30 yards per minute until it has passed 200 yards beyond the third objective――when it will become stationary. This barrage is to cover the advance of the tanks. There will be no creeping barrage in front of the infantry during their advance to third objective, which commences at zero + 2 hours.