...rection of the disloyal Governor Rector, on the 5th of February. They came from Helena, and readily obtained the Governor's sanction to the movement. Far-off Fort Kearney, on Grand Island, in the Platte River , was also seized on the 19th of February, and a Palmetto flag was raised over it. It was soon retaken by the Union men. The little Navy of the United States, like the Army, had been placed f...