A correspondent at Washington etuis the i'hiladelphia Bulletin the illowing copy of :i letter written by Gen. Soott ti) ftír. Fillmore, in 1847 : " Hladquautees of the Aeut, ) Mexico, lt"17, i My Dear Sir : - I have reouivod the WO "letters (ooe frorn the Itev. M, Anger and the other bigned by Mr. Van VVyck) asking on several ground.s the [ischarge oí' Jamos Thomson, a private n the Becond Artillery. FlRgl - He lias hinco his enlistffient, eformed his habite, This is an argunent in favor of hifi serving out his ime, lest he should relapse, if diseharged, before oonlirmed 'm his relornation. Military discipline highly fuvors reform ation, Se'cÓnd - lie lias become pious. - This makes liim at once a botter soldes and better man, and fortunately we are not without many pious otEcers and men in our ranks ; hut, Tiiikd - It is alleged he has imbibed congüientious scruples agaiust perfurmiog military duty. If the man be mad, he can be discharged on surgeon's certilicate to thatefl'oct; but if he has onlv turned coward, we have amnl meiins of punishing him, if he should, when ordered, refuse to light. I roturn the letters you enclosed, and remain, my dear, sir, with great esteem, Yours truly, (Sio-ned'i VVinfiki.d Scott.