From Charleston.
Charleston, July 26.
--All quiet this morning.
There was occasional firing yesterday and last night on the enemy's works on Morris's Island.
The enemy are erecting a new battery about 600 yards from Battery Wagner.
Their workmen are annoyed by our guns on James's Island.
The gunboats and mortars have been comparatively quiet for the last two days. It is supposed they were taking on ammunition all day yesterday.
Several additional blockaders and transports arrived yesterday — some with troops.
The enemy are supposed to be landing more troops at Little Folly Inlet, and will probably make an attack some time this week.
A French war steamer stopped off the bar yesterday.
The steamer Cronstadt, from Nassau, has arrived at Wilmington.