A defence against calumny, or, Haman, in the shape of Christopher Ellery, esq. hung upon his own gallows : being the substance of certain publications, during the last autumn, in the Newport Mercury, refuting the accusation against John Rutledge, of writing two letters to the President of the United States, urging the "displacement" of all the Federalists in Rhode-Island, and the appointment to office of such persons as should be recommended by Christopher Ellery, esquire : together with a preface and appendix.