...rred, at Matagorda Bay, Texas, between the Union gunboats, a company of the Thirteenth Maine regiment, and a large force of rebel cavalry and a rebel gunboat. The small party of Union troops, under General Herron , had landed with the object of cutting off the rebel pickets, but were attacked by the cavalry, who were driven off by the gunboats. The cavalry, aided by the rebel gunboat, subsequently attacked t...