..., cut it off from communication with Vicksburg and from all succor; and then either to invest it and capture it, or to join General Grant's forces at Vicksburg. The passage of Farragut's boats past Port Hudson in March rendered this feasible; and Banks succeeded admirably in carrying out this plan of campaign. The Bayous Teche and Boeuf are nearly the western limits Of the Louisiana Lowlands, a name en...