1. An engraving by T. Cross, prefixed as frontispiece to his Twelve Sonatas, 1683.
2. Ditto, by R. White, from a painting by Closterman. Frontispiece to the Orpheus Britannicus.
3. Ditto, engraved by W. N. Gardiner, from a drawing by S. Harding, taken from the original picture in Dulwich College, 1794.
4. Ditto, by T. Holloway, from the crayon drawing by Sir Godfrey Kneller.
5. An etching inscribed "Henry Purcell," but without the name of painter or engraver.
6. A small engraving, by Grignion, in Sir John Hawkins's History of Music.
7. An engraving by W. Humphries, after Sir Godfrey Kneller. Frontispiece to Novello's edit. of Purcell's Sacred Music.
EDWARD F. RIMBAULT.
QUERY ON THE CONTROVERSY ABOUT FLUXIONS.
In the report made by the Committee of the Royal Society, it is stated that the Committee had "consulted the Letters and Letter-books in the custody of the Royal Society, and those found among the Papers of Mr. John Collins....;" thus leaving it doubtful whether Collins's papers then belonged to the Society, or, it may be, meaning to distinguish them as not so belonging.