Camp Brow*.—The encampment at this place wa* broken up yeaierikj, the officer* returning to their respective companies, prepared to drill them thoroughly. There have been in thecarnp for the part two we«*U from 150 to 200 officers, General Phillip* haa derived, through L*e Adjutant Major CajK*r«, valuable and efficient aid from the Cudet* of the Georgia Military Institute in the daily drill of the volunteer*.—Marietta Adnccat10th.