From Charleston.
Charleston April 4.
--The excitement to-day is unequalled since the secession.
The schooner fired into by the Morriss Island battery was from Boston, bound to Savannah.
She was shot through the mainsail.
Troops have been moving all day.
It is reported orders have been received to cut off Maj. Anderson's supplies immediately.
It is believed here that a crisis is near at hand.