From the United States.
Dalton, April 30.
--The Nashville Union, of the 27th is received.
The following is a synopses of its contents:
Washington, April 26.--Grant has taken measures to add enough to his armies to make them irresistible.
Wild rumors are afloat this morning that Longstreet is marching down the Shenandoah Valley towards the Maryland line.
New York, April 26.--Cotton is quiet at 82 cents. Gold 183 at noon, and closed at 180¾.
St. Louis, April 25.--A meeting has been held in the second United States colored heavy artillery at Fort Pickens, denouncing Forrest.
One resolution was adopted for an inscription on their flag of "Victory or death, as no quarter will be shown them."
Edward Britton, a citizen of Yankee extraction, residing near Fort Pillow, certified in regard to the massacre of the Yankees that they were hunted down by bloodhounds and buried alive, and that he saw a quartermaster burned.
The enemy near Cleveland evidently fear an attack, and are constantly in the of battle.
All quiet towards Ringgold. 