A letter to the Right Reverend Father in God Benjamin, Lord Bishop of Bangor: shewing The Inconsistency of a Position in his Book, entituled, A Preservative against the Principles and Practices of the Nonjurors, &c. viz. (that every Civil Government hath a Right to every thing necessary for its own Defence and Preservation:) With the Manifest Design of his Sermon preach'd before the King March 31, 1717. By a Presbyter of the Church of England.