mg1*~3«utfornelt;wfiinLoheiTatpninlOL'deThe following letter nc«ived a .fay .or .two eiocobv Captain . Eat-* will be interesting,to those- Whotare' Mends if the 20th; Regiment..Bmwbbm HlisjsvJlis A.xDWniTKBivatt Abk :?• ’• January 23d,- lbM. . 5 *Cai-tais Batkb,-!^ Sir: Thinking that perhaps you.would like tohear o.f~-your .com-tnar.d audits whereabouts; I toketbis pppor-tuflitv of writiiig afar lines,—and when yon get this you may ^k)j conclude that wo have got nbore tbc fower ylrMn/ou our return, to the-surface once more, but with the probuble loss of all tilings which hive pegs or • fib oc.-strjogsin them. * .Mud !! the. word . ia' feeble ! History, .gives nn account of Nopoleon crossing the Alps—of t‘L Freir.out crossing the Mountains. -But whot did thpfcc exploits amount to compared withthe doings of ** The Army of tho Frontier/' especnlly the 20th Iowa, and more particularlythe “ Right Wing,We crossed the Boston Mountains, conquered a city, and made a safe retreat in less time than it took to make the world.Wo didn’t exactly'do it. all alone,—there were some other folks along.—but if we could create such a suspicion in the minds of the people wo should: do-no ikoig than others have tried to do, on a larger scale. But you arc acquainted with the details of that and previous events. At any rate I am sore that we have (.as Captain Hubbard expressed it in a published letter) corcred ourselves nil over with mud,— There I'vo blundered into the rood bo many times to-day, that it has blundered iu here,—of.IU63srgEUlaleetlibltrEEA