The true time of keeping St. Matthias's-Day in leap-years. Shewing, that it is to be kept on the 24th, and not on the 25th of February, as some almanacks place it. Wherein are inserted, I. Dr. Wallis's letter to Bishop Fell, on this Subject, A. D. 1684. printed from his original Manuscript. II. Arch-Bishop Sancroft's order, sent to the Clergy of his Province, on this Point, A. D. 1684. III. Collections out of accounts of time, shewing the ancient Usage of celebrating this Festival, and the Manner of Intercalating in Bissextile or Leap-Years.

Date:

[1712]