... very cheering, and it was determined to capture Fort Donelson as speedily as possible, and then, with a heavy force, march across Tennessee and penetrate Alabama. Foote had already hurried back to Cairo with the Cincinnati, Essex, and St. Louis, to prepare mortar-boats for the new enter-prise, leaving Commander Walke, of the Carondelet, in charge of a portion of his flotilla at Fort Henry. With th...