ADVERTISEMENT. THE Society as a body is not to be considered responsible for any facts and opinions advanced in the several Papers, which must rest entirely on the credit of their respective Authors. OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY. PATRON: His Royal Highness the DUKE of GloucesteR, Chancellor of the University. VICE-PATRONS: The EARL OF HARDWICKE, K. G. High Steward of the University. THE COUNCIL. PRESIDENT: The Rev. W. FARISH, B.D. Magd. Coll. Jacksonian Professor. VICE-PRESIDENT: JOHN HAVILAND, M.D. St. John's Coll. Regius Professor of Physic. TREASURER: The Rev. B. BRIDGE, B.D. Fellow of Pet. Coll. SECRETARIES: The Rev. A. SEDGWICK, M.A. Trin. Coll. Woodwardian Professor. The Rev. S. LEE, M.A. Queen's Coll. Professor of Arabic. ORDINARY MEMBERS OF THE COUNCIL: *The Rev. I. MILNER, D.D. President of Queen's Coll. Lucasian Professor of Mathematics. E. D. CLAKE, LL.D. Jesus Coll. Professor of Mineralogy. J. CUMMING, M.A. Trin. Coll. Professor of Chemistry. T. CATTON, B.D. Fellow of St. John's Coll. T. TURTON, B.D. Fellow of Catherine Hall. T. KERRICH, M.A. Magd. Coll. Principal Librarian. R. GWATKIN, M.A. Fellow of St. John's Coll. In the place of Dr. MILNER, deceased; and of Dr. E. D. CLARKE and of Professor F. THACKERAY, M.D. Emmanuel Coll. Rev. G. PEACOCK, M.A. Fellow of Trin. Coll. are now Members of the Council. W. WHEWELL, M.A. Fellow of Trin. Coll. N. B. An Asterisk is placed before the names of those Fellows who have died during the passage of this Volume through the Press. b A. FELLOWS: Right Hon. the Earl of Aberdeen, St. John's, President of the Antiquarian Society, &c. Andrew Amos, M.A. Fellow of Trin. Rev. Edward Anderson, B.D. Fellow of Queen's. Rev. Thomas Dinham Atkinson, M. A. Queen's, Thetford. W. Atkinson, M.A. Trin. King's Bench Walk, Temple. George Attwood, B.A. Fellow of Pemb. B. C. Babbage, M.A. F.R.S. L. & E. F. Ast. Soc. Pet. 5, Devonshire Street, Portland Place. Rev. Edward Balme, M.A. F.R.S. Magd. 14, Russell-place, Fitzroy-square. John Barlow, B.A. Trin. William Joseph Bayne, B.A. Trin. Charles Smith Bird, B.A. Fellow of Trin. Rev. Henry Blunt, M.A. Pemb. Vicar of Clare, Suffolk. Rev. William Boldero, M.A. Trin. Hall. Carlton Rectory, Cambs. Rev. William Bond, M.A. Caius, Wheatacre, Norfolk. Rev. John Bransby, M.A. F.A.S. & L.S. M.G.S. St. John's, Stoke Newington. Rev. John Brasse, M.A. Trin. Stanstead, Essex. Rev. Bewick Bridge, B.D. F.R.S. Fellow of Pet. Treasurer. Rev. J. Brinkley, D.D. M.R.I.A. &c. An drew's Professor of Astronomy, Dublin. * Right Rev. the Lord Bishop of Bristol. Rev. John Brooke, M.A. Jes. Elmstead, William Brougham, B.A. Jesus. Lincoln's Inn. Rev. John Brown, M.A. Tutor of Trin. Rev. George Adam Browne, M.A. Fellow of Trin. Rev. R. Buck, M.A. Madg. Agecroft Hall Manchester. Rev. James Bulwer, B.A. F.L.S. Jesus. Dublin. Rev. Edward Bushby, M.A. Fellow of St. John's. Rev. George Butler, D.D. Sidney, Master of Harrow School. Rev. Samuel Butler, D.D. St. John's Master of Shrewsbury School. C. The Right Rev. the Bishop of Calcutta, D.D. F.R.S. Pemb. Frederick Calvert, M.A. Fellow of Jesus. Rev. Arthur Judd Carrighan, B.D. Fellow of St. John's. Rev. Thomas Catton, B.D. Fellow of St. John's. Rev. William Cecil, MA. Fellow of Magd. William Frederick Chambers, M.D. Trin. Fellow of the Royal College of Physicians, 10, Curzon Street, London. Rev. Robert Chatfield, LL.D. Emman. Vicar of Chatteris. Rev. Temple Chevalier, M.A. Tutor of William Clark, M.A. M.G.S. Fellow of Rev. George Miles Cooper, B.A. Fellow of St. John's. Rev. George Elwes Corrie, M.A. Tutor of Cath. Hall. Rev. Richard Crawley, M.A. Tutor of Magd. Rev. James Cumming, M.A. F.R.S. M.G.S. Trin. Professor of Chemistry. D. James Charles Dale, M.A. F.L.S. Sidney, Glanville's Wooton, near Sherborne, Dorset. Rev. Whitehall Davies, M.A. Christ's. Plas Issa, Wrexham. Rev. Martin Davy, D.D. F.R.S. A.S. & L.S. Master of Caius. Rev. Richard Dawes, M.A. Downing. Thomas Edward Dicey, M.A. Trin. Claybrook near Lutterworth. Rev. Aldersey Dicken, M.A. Fellow of Pet. Rev. Richard Duffield, B.D. Fellow of St. John's. Kenelm Henry Digby, B.A. Trin. Albany, London. Rev. Thomas Dikes, LL.B. Magd. Hull, Yorks. E. James Collett Ebden, M.A. F. Ast. Soc. Tutor of Trin. Hall. Edward Bishopp Elliot, M.A. Fellow of Trin. J. Elliotson, M.B. Jesus. Grafton Street, London. Thomas Flower Ellis, B.A. late Fellow of Trin. John Escreet, B.A. Trin. Stisted near Halstead. Rev. John Evans, M.A. Tutor of Clare Hall. F. Rev. Fearon Fallows, M.A. F.R.S. F. Ast. Soc. Astronomer Royal at the Cape of Good Hope, late Fellow of St. John's. Rev. William Farish, B. D. M. G.S. M.S.A. & A. Magd. Jacksonian Professor. President. Rev. Nicholas Fiott, M.A. St. John's. John Hutton Fisher, B.A. Fellow of Trin. Rev. Clement Robert Francis, M. A. Fellow of Caius. Rev. James Clarke Franks, M.A. Trin. William Frere, M.A. Searjeant-at-law, Master of Downing, Vice-Chancellor. Vice-Patron, (1820). G. William Albin Garratt, M.A. late Fellow of Trin. Lincoln's Inn. John David Glennie, B.A. Trin. Dulwich. His Royal Highness the Duke of Glou cester, LL.D. F.R.S. Chancellor of the University. Patron. Rev. J. Goodall, D.D. F.L.S. &c. Provost of Eton Coll. William Greenwood, B.A. Fellow of Bene't. Rev. John Griffith, M.A. Tutor of Emm. Henry Gunning, M.A. Christ's. Rev. John Guthrie, M.A. Trin. Newark, Notts. Rev. Richard Gwatkin, M.A. Fellow of St. John's. H. Rev. John Hailstone, M.A. F.R.S. and L.S. M.G.S. Trin. Trumpington. b2 Rev. Henry Parr Hamilton, M.A. F. Ast. Edmond Glyn Hamond, B.A. Jesus. Richard Harvey, B.A. Cath. Hall. John Stevens Henslow, B. A. F. L.S. John Frederick William Herschel, M.A. F.R.S. L. & E. M.R.S. Got. F. Ast. Soc. Fellow of St. John's. Rev. John Phillips Higman, M.A. F.R.S. Fellow of Trin. John Hind, B.A. Mathematical Lecturer of Sidney. Joseph Hindle, B.A. Fellow of St. John's. Rev. Thomas Douglass Hodgson, B.A. Trin. Buckden, Hunts. Rev. John Holme, M.A. F.L.S. &c. Pet. Freckenham, Suff. John Holroyd, B.A. Trin. John Lodge Hubbersty, M.D. Fellow of Queen's. Henry Hunter Hughes, M.A. Fellow of St. John's. Rev. Thomas Smart Hughes, B.D. Fellow of Emman." Rev. John T. Huntley, M.A. Trin. Rector of Kimbolton, Hunts. Rev. James Devereux Hustler, B.D.F.R.S. Tutor of Trin. William Hustler, M.A. Tutor of Jesus, Registrary of the University. William Hutchins, B.A. Pemb. John Hutton M.A. Christ's. Marske near Richmond, Yorks. I. Thomas Ingle, M.D. Fellow of Pet. J. Edward Jacob, M.A. Fellow of Caius. Rev. Richard Jeffreys, M.A. Fellow of St. John's. Rev. Thomas Jephson, B.D. Fellow of St. John's. Rev. Richard Jones, M.A. Caius. Brigh ton. Rev. William Jones, M.A. Fellow of St. John's. K. Right Rev. John Kaye, D.D. F.R.S. Master of Christ's, Regius Professor of Divinity, Lord Bishop of Bristol. Edward Curtis Kemp, M.A. St. John's. Rev. Thomas Kerrich, M.A. F.A.S. Magd. Principal Librarian to the University. Joshua King, B.A. Fellow of Queen's. L. Rev. John Lamb, M.A. Tutor of Bene't. John Fiott Lee, LL.D. St. John's, Colworth House, Beds. Rev. Samuel Lee, M.A. Queen's Coll. Charles Shaw Lefevre, M.A. Trin. Great Russel Street, London, John George Shaw Lefevre, B A. Fellow of Trin. Alfred Le Merchant, LL.B. F.R.S. Jes. Gray's Inn. Rev. William Leeson, M.A. Fellow of Clare Hall. |