There being now in this City a considerable number of the Members of the United States Military Philosophical Society, I think it my duty in conformity to the 3d Section of the 4th Chapter of the Constitution, to call an occasional meeting to be held at the first apartment on the right hand in the War Office, on Saturday 30 Inst.² for the purpose of stating to the members, who have not hitherto had an opportunity of meeting the Society, the motives which gave rise to the institution, its object, progress, and present state, together with an account of such commu

ON the other side is a copy of the Constitution of the United States Military Philosophical Society, which has undergone some amendments, found essential in practice: you will discover them by comparing this copy with that sent to you with the notice of your election. William Popham, Esq. Treasurer of the Society, will receive all communications during the winter, (there being then no stated meetings,) in conformity to the second article of the fourth chapter.