Buell quickly reorganized his army into corps, welding the raw troops into the seasoned force, and within a day or two he was ready to assail the enemy who had driven him across two states. Bragg retired to Perryville with a total force of about 35,000 men, and Buell with 58,000 advanced upon him. On the eighth of October a severe battle occurred which lasted from noonday to night and seemed undecided when night fell. But when morning came Bragg had retired and was in slow and orderly retreat southward. The Federal loss in the battle of Perryville was reported at 4,348, including two brigadier generals killed. The Confederate loss is unknown, but as Bragg began the battle with only three divisions assailing eight, and as the fighting at times was muzzle to muzzle, the slaughter among such troops as were actually engaged on his side, must have been terrible. Learning that Kirby Smith's command had on that evening joined Bragg, General Buell did not press his enemy, but disposed his forces for a defensive battle. It was not until the thirteenth that he discovered that Bragg was indeed retreating and ordered a pursuit. This was pressed, with some fighting now and then, as far as Crab Orchard, where the Federals halted, leaving Bragg free to make his leisurely way to East Tennessee with an enormous wagon train loaded with a rich booty of supplies which he had gathered in Kentucky. CHAPTER XXXVI FALL AND WINTER CAMPAIGNS AT THE WEST AND SOUTH The climatic conditions of the disputed country south and west were excellent for campaigning during the autumn, and tolerable during most of the winter. As neither side was satisfied with the results achieved in that quarter during the spring and summer of 1862, both were disposed to carry on the war with vigor during the autumn of that year and the winter following. On the third of October, while Buell and Bragg were confronting each other near Louisville, Van Dorn, who had been heavily reinforced from Missouri, undertook to carry out Bragg's orders, for the capture of Corinth and the reconquest of western Tennessee and Kentucky. He advanced upon Corinth in force and assailed Rosecrans, who held the immediate command of that place, upon lines chosen by the Federal commander, three miles in front of the main defenses. It was a rich prize that the Confederate commander battled for, and right manfully did he strive to gain it. Corinth at that time was a depot of supplies of unusual consequence, and besides that, its conquest would mean the complete breaking of Grant's long and difficult line of defense.