From Pope's Army

A portion ot MoOi.iïli.am's and Burvsidk's annics have formcd n juuctioti with Pope, and the whole forcé has fallen b ick across tlio Rappahannock. Scvornl : ttt-empts havo been made by the rebels to effect a crossing of the Rappahannock, but without any suecess. A cavalry raid was made upon Pope"s array while falling baek, and a number of men, wagous, &c , oaptured. Pope lost his personal baggage, privato and ofliuiai papers, $40,000 cash, etc. Cousiderablc fighting has been dono during ttiis and last week, in which Porn scems to have sist:iined hiniself, but wö are without &y defiuue report. Strange rumors como frora Pope's army discrediting thu loyalty of Gen. McDbwSLL. One report saya that the rebel Gen. Stuaiit gave particular orders to pure Gen. McDowkll's staff and b;iggage train ; but to seize and destroy that of Pope, whicli was done. Aoother remor says that Gen. Sigki. shot Gen. MeDowkll through the hoad on the baltlu field at WarrotxtOU. The telegraph yesterday morning gave us no news - because of tho tlmudcr Storm.