Important Discovery--interesting Fa.t.

Krom Hu Buffato Coicmereial. A gentleman of tliis city wiio has just retproed frnm n Wwtern tour, RtOpped fü" il tilllO ttíth a fl k'lld wllO S the propriotor of a largo paper ni'il. Trow r pnper mili, tm is well known, ií a perf. et omnium yiUterum - a center to whiuh como all sorts o( manuscript, :is well as rujjs etc. ThojfeirleinanaboTO indieated informa us tha' Is is p.ipsr makiog friond made quito a diseoverv, a short tima since, wliilc ongapod in ".orting" the cotftents Dl a bsle of raga aüd miimiPCfipts tliat fo'Jiid thcir way to his mili. This discovery w;.s Dothirrgmore or leís than thu rough rlranglits of tlie plans of tho vnr'h.us bat'.les incladed in the Mtsii'.nn eampaign - a oampaign vliich h'slory has renclorrd iarnous - all of which benr (lic umiitakeabk slynatitre of Goorgo B. McOlclhm, the FplendiJ young Gonond wlio is now ir.trusted with the sola coinmaud of the Federal army of tlic fototna, The discovery proves wliat bas often been inlimnled, that Gen. McCIellau plaTned (?) tile Mcxiöau eauipaign, while Gen. Scott roceived tlio credit and glory nd faino which attondod the sacc?8d of ou" army in JSloxico. We do not tnention tliis interesiing faet ly w.ij' of detractioo from tl.e wfcll earned reputation of our ilhistrious L:eut. General, or vi;h Uu desiro of plucking a single leaf from the ma-sive erown that adorna his horiorcd forehead. bilt because it is a f;ict, and ope wliicli '.vill liave tho effect to increaso tho eonfidciice of the friends of 'the Unio:i in liiin upon wlio;n rost tho preatest rosponsibilties of the present war.