Toward noon, as McClernand's right was rolled up and began to crumble, Buckner, who had cheered his men, now led his division farther to his right, near to Heiman's position in the intrenchments; there he approached under cover till near Wallace's line. Three batteries supported his charge--Maney's, Porter's, and Graves', these three batteries concentrating their fire on Wallace's artillery. Forrest brought his cavalry forward. Wallace's brigade, with Taylor's and McAllister's batteries, and Logan's regiment, with boxes nearly empty, withstood the combined attack. McAllister fired his last round of ammunition. Taylor had fired seventeen hundred rounds of ammunition, an average of two hundred and eighty-three rounds to the piece. The infantry fired their last cartridge. The batteries of Maney, Graves, and Porter poured in their fire; the divisions of Pillow and Buckner aided--some regiments at a halt firing, but Buckner's advancing. Forrest's cavalry hovered on the outskirts. Wallace gave the command to fall back. McAllister had not horses left to haul off his three howitzers, and had to leave two. The order did not reach the Eleventh Illinois. The rest of the command fell back in regular order, and the Eleventh and Thirty-first continued fighting. Colonel Logan, of the Thirty-first, was wounded; the lieutenant-colonel was killed. Thirty others were killed. The ranks were thinned by the wounded who had fallen and been carried off the field. Ammunition was gone. Logan told Lieutenant-Colonel Ransom, of the Eleventh Illinois, who, having had his wound dressed, had returned to his regiment, that the Thirty-first must leave, and suggested that the Eleventh should take the position left by the Thirty-first. The Thirty-first marched steadily from the field, and the Eleventh, alone now, faced to the rear, wheeled to the left, and continued the fight. But, assailed on both flanks as well as in front, and finally charged by the cavalry, it was broken, and fell back in disorder. The brigade fell back half a mile.