The pressure here described had been upon the left of the Fifth Corps, but the situation upon its right flank had also been very awkward. The terrific weight thrown upon the Ninth Division had, as will be described, driven them farther westward than their left-hand companions of the Forty-seventh Division. The result was a most dangerous gap which exposed the whole rear of the Third Army. The 99th Brigade in the Equancourt district endeavoured after the fall of Fins to fill this front, but they were not nearly numerous enough for the purpose. The result was that the Forty-seventh Division, which moved back on the night of March 22 from Highland Ridge to the Metz-Dessart Wood line, had to reach out more and more upon the right in order to save the situation. In this operation two battalions, the 4th Welsh Fusiliers Pioneers and the 23rd London, sustained most of the attack and suffered very heavily upon March 23, while in the preliminary fighting upon March 22 the 18th London had many losses. By the morning of March 24, the Forty-seventh, beating off all attacks and keeping their position in the unbroken line, had fallen back to a new position, the 142nd Brigade, which formed the rearguard, fighting hard in its retreat, and having to brush aside those groups of Germans who had slipped in at the rear. [Sidenote: Fourth and Fifth Corps. March 24.] The morning of March 24 found the German torrent still roaring forward in full spate, though less formidable than before, since the heavier guns were far to the rear. Their light artillery, trench-mortars, and machine-guns were always up with the storming {58} columns, and the latter were relieved in a manner which showed the competence of their higher command. It was a day of doubt and difficulty for the British, for the pressure was everywhere severe, and the line had frayed until it was very thin, while officers and men had reached the last limits of human endurance. At 8.30 in the morning the enemy was pressing hard upon the Seventeenth and Forty-seventh Divisions in the region of Bus and Le Mesnil, where they were endeavouring to keep in touch with the worn remains of the heroic Ninth Division on the left of the Seventh Corps. Sailly Saillisel was still clear of the enemy, but the tide was flowing strongly towards it. The 51st Brigade of the Seventeenth Division occupied this village and threw out its left to the Londoners on the north of them. Bertincourt, which had become a dangerous salient, was evacuated, and the line now ran east of Haplincourt and Rocquigny, the three brigades of the Seventeenth Division occupying this latter village, Barastre, and Villers-au-Flos. On their north were two brigades of the Forty-seventh, the remaining brigade being south of Le Transloy. North of the Forty-seventh Division the Sixty-third Naval Division and the Second Division carried the line on to the junction with the Fourth Corps, where the exhausted