...loriously begun, of planting the banner of freedom in the last State in rebellion, over which the Stars and Stripes have not waved for some time. On landing on Brazos Island, the Fifteenth Maine, Colonel Dwyer , accompanied by Major Von Hermann, of General Banks's staff, started for Boca Chica, took possession of the Pass, and encamped there, throwing out pickets. No resistance whatever was offered, and n...