1 ho last dispatclics trom Washington say that our army has fallen back towards that city, uutil the advaoee is in sight of Munson's II til. Gen. JIcClbllan is ia command of all the fortificatious and troops for the defence of tbe city, and every coufidenco s mauiicsted ia his ability to defend it. - We are without any definite account of tho late series of battles, and the dispatches we publish we confess are too loóse to satisfy ourself or our readers. - We sliall cudeavor to get it a coniieetcd report for our nest issue. - We have littlo fears of tho threatened rebel raid into Maryland or of their attacking Wasliington. We think our fjrces are uow so eoncentrated that they eau maiutain theinselves against grca! odds, and that they will now bo prepared to take the offensive. - ïherc is mueh escitement at Cincinnati, but we thiuk the enemy will be met ou Keutucky soil, aud the Queen Uity saved. The threatened invasión will arouso Ohio, and whcn her full strength is put forth the rebels will do ivell to turn back.