The weak company and a half in front of the Gloucester, badly sheltered from the converging fire, could do little more than check the foremost burghers. This, however, they did so effectually for a time that Van Dam, fearing for the issue of a merely frontal attack, and hearing nothing of the Free Staters, who had not yet reached their goal, ordered one of his officers, Lieutenant Pohlmann, to take fifty men out of sight under the hill to the right, and not to fire a shot until he arrived within decisive range of the British. Pohlmann moved boldly and skilfully, and, appearing suddenly upon the left of "E." company Gloucester, poured a destructive shower over the defences. The captain of "E." company perceived at once the hopelessness of his situation, asked and received permission to retire, and took his men and those of "H." company back under a heavy fusilade and with severe loss, passing the left flank of "C." company, into whose sangars many dropped for shelter. The section detached to the left, not receiving the order--unable to retire, if it had received it--was shot down to a man. The commander was taken prisoner. Carleton, who had not authorised this retirement, and placed as he was, knew nothing of the necessity for it, then ordered Major S. Humphery to reinforce the diminished companies, and send them back to the abandoned sangars. This Humphery found to be impossible, and thus the front of the position receded to the line of "C." company Gloucester and of "E." company Royal Irish Fusiliers, slightly to their right rear. Nor was this to remain long unbroken; for most of the men of this company of Royal Irish Fusiliers, finding their feeble defences crumbling to nothing under the tremendous fire, drew off gradually towards their comrades on the right, and soon the officers of "C." company Gloucester saw that the prolongation of their line had vanished, and that their right was now completely exposed. [Sidenote: 11:30 a.m. A heliograph cannot be answered.] About this time (11.30 a.m.) a heliograph from Sir G. White's main body was seen. Carleton called for signallers to read the message; but so deadly was the fire that three men were wounded in succession, and one man thrice, as they stood by Carleton spelling out the signal. This ran:--"Retire on Ladysmith as opportunity offers." The only heliograph with the column had vanished in the stampede, and Carleton, encircled by musketry, knew that he was as powerless to obey the order as to acknowledge it. [Sidenote: A fatal misunderstanding.]