St August 5.Just «9 we had put our paper to press, Lieut. I erkins, with the troops which composed the garrison at Prairie du Chein, arrived here. Lt Perkins, fought the combined British and In-dians three days and three nights, until they had approached the pickets by mining; provisions, ammunition and water almost expended, when he capitulated The officers to keep their private property, and the whole not to serve until duly exchanged—-five of our troops were wounded during the seige.