...ght bank of that river. Casey's division, which was the first line, gave way, unaccountably and discreditably. This caused temporary confusion, during which some guns and baggage were lost. But Heintzelman and Kearney most gallantly brought up their troops, which checked the enemy. At the same time, however, General Sumner succeeded, by great exertions, in bringing across Sedgwick's and Richardson's ...