SIR: I respectfully submit the accompanying list[4] of promotions and appointments to fill the vacancies in the Army which are known to have happened since the date of the last list, December 12, 1845. The promotions are all regular except that of Captain Martin Scott, Fifth Infantry, whose name, agreeably to the decision of the President and your instructions, is submitted to fill the vacancy of major in the First Regiment of Infantry (_vice_ Dearborn, promoted), over the two senior captains of Infantry, Captain John B. Clark, of the Third Regiment, and Brevet Major Thomas Noel, of the Sixth. The reasons for this departure from the ordinary course (as in other like cases of disability) are set forth in the Adjutant-General's report of the 27th ultimo and the General in Chief's indorsement thereon, of which copies are herewith respectfully annexed, marked A. I am, sir, with great respect, your obedient servant, R. JONES, _Adjutant-General._ [Footnote 4: Omitted.] A. ADJUTANT-GENERAL'S OFFICE, _Washington, December 27, 1845_. Major-General WINFIELD SCOTT, _Commanding the Army_. SIR: The death of Lieutenant-Colonel Hoffman, Seventh Infantry, on the 26th ultimo, having caused a vacancy in the grade of major, to which, under the rule, Captain J.B. Clark, Third Infantry, would be entitled to succeed, I deem it proper to submit the following statement, extracted from the official returns of his regiment, touching his physical capacity for the performance of military duty.