St. Paul, Sept. 6. Major Princo tm veel lust night, from Fort Ridgely, Thursday, 4th. Capis. Grant and Anderson, with a email party of nfantry and CHvalry, wero uttacked by two hundred and tifty savuges, eigliteen miles from Fort R:dgoly. Dming tho engagement the wbites managed to throw up breaetWorks of daad horses and eartb, and held out uiitil Sibley caine to thoir relief and drove thu indians back. Tbirteen whites wero killed and fTtyseven wound.d Most of the ki ed were from Si. Paul. Bufuro lhüe;:guement Gapt. Grant'a party buried eighty-five of the mussacred. Ono woman had laid in the vvoods two weuks unburied Capt. Vanderhóok, commanding at Fort Aburcombie, writüd that a largo number of Indiana liad nppoured around the fort, and carried off .II thu Government tnules and éattle bolongii)g to the post ; that he is con:pjllud to keep his enlire force on guurd uil night; also, saya that unlusa reinforuuments appenr soon, he wil! be cotnpul!ej to abandoc tho post.