.... On the twenty-seventh instant, the First division of this corps, under Brigadier-General Lawler, moved from Opelousas back to New-Iberia, with a view of being where they could be moved rapidly to Brashear City , should circumstances require it. That left at Opelousas the Third division, under General McKinnis, and one brigade of the Fourth division, under General Burbridge, at Barras Landing, eight miles ea...