The Lvmiiih u,i ExTaasioa.—With has • xvcpuo .oi ibtt braaga aero-1 Janaaa river, has ! L> a -tiiiurg T 'xteusion of tan Orange and Alex- • andria Kailroad is couiplevd. Tne lied of the load is finished, ami the rails laid io Lynch burg. With the above exception.