The bombardment of Vicksburg.
Jackson, Mississippi. July 15th.
--A heavy bombardment is now (8 P. M.) going on at Vicksburg.
The reports are distinctly heard here.
No telegraphic intelligence has been received from Vicksburg for the last three hours.
[Second Dispatch.]
Jackson. July 15.
--The firing ceased at 9 o'clock to night.
Both the upper and lower fleets attempted to pass our batteries, but were repulsed.
The exasperated and mortified enemy vented his rage by throwing liquid shells into the city, burning one row of buildings.
Our batteries are uninjured.
No casualties reported. 