From Mobile.
Mobile, August 15.
--This evening two monitors and five gunboats crossed Dog River bar, and coming up to within two miles of the constructions, opened fire for three hours on our batteries and gunboats, doing no damage.
One of our gunboats replied handsomely.
Our batteries were silent.
At the enemy hauled off.
A special dispatch to the Register, from Oxford on the 14th, says Chalmere dashed into Abbeville and whipped the enemy, capture twenty-five prisoners, and then fell back four miles, when the enemy attacked him and were repulsed.
Our loss was five killed and twenty-five wounded. The enemy lost fifty killed, two hundred and fifty wounded, and forty prisoners.
Firing was heard in the direction of Fort Morgan this morning. 