Battles In Maryland

Ueginniug ounditj last thorc bas botín n coutinued series of battles in Murvland, all of which have rcsultcd n signal victory to tlio Federal army. We niight, periiapB, exoept the loss of Harper's Ferry, with the commarid of Col. Miles, bat as the rebels evacuated tho Ferry in suoh liaste as to let niany of their prisuners go without parole, and losa accoi-ding to report 4,000 of their own forces, we cannot cali tbat much oi a reverse. Thebflttles aro QOt yet endcd' aud wc hope ibr a complete tríumph orer the rebel army. - Reports put t!ie number of prisoners capturod by McClkllan at from 8,000 to 12,000, among them Gen. Howcll Cobb and Gen. Longstreet, bo h wounded. - Oor losses aro not given, but are not large in proponion to the magnitude of the victories obtaincd.