From Charleston

■ Nw ïoi-k, Oot. 12. Ihe Boston Herald has a letter from the fleet 'off Charleston, Ocfc. 3d, wbieh says that ast evening General Gilmore sent one of Bis Greek fire shells into Charleston, which set fire to some buildings. The fire burut over two bours.- There will be warm work here before thia reaelies you if nothing interferes in the mean time. The following from the correspondent of the Baltimore American, written from Charleston harbor on the ñthiust, ia of mterrst. There are Ddieaticns novv that the present inactivity will not be oí' mnny days' eontinuauce. Gen. Giimore has forood liis works forward with remarkablo rapidity, considering their magnitude, and the natural and artificia] obstractions in his way. The troops have worked hard, nearly every regiment on the sjarxi taking its turn every other day in the tronches for fatigue duty. All this Ëaa howover been cheerfully bome, the soldiers having an unlimited confidence in General Gilmore and cu operatini; n the accompHsbraent of Ma plans. ïïienavy is lso preparing for the renewal of the attaek. 'ithiu the last twenty-four hours there have been important arrivals here of meaus for the removal of the obstruetious, whieh we may soon hope to see guecetsfully appliéd. The Monitors now here are the Lehijih, Nahan', Weehawken, Montauk and Catskill. JN'ew York.Oct. 13. Thüsteatner Conneuticut, from Hilton liead 9th, report the rehuís t.ho mght oí the 6th sent a torpedo attached to a raft írom Charlesum to the Ironsides off Moultrie, whicli exploded undur the bows, delngiagf tho deck with water, pottiog out all of the fires and killing Ensign Iioward and wounding seven, hut doing thovessel no larnage The Ironsides rernains oft of M0T1 trie House, uid the monitors doin pioket duty off Snmpter. Gilmore i üíill erectingbattéries on Morris Island