APPENDIX. I. PRESIDENTS OF THE SOCIETY. 1821-23. Sir William Herschel. 1872-74. 1823-25. H. T. Colebrooke. 1874-76. 1825-27. Francis Baily. 1876-78. 1827-29. J. F. W. Herschel. 1878-80. 1829-31. Sir James South. 1880-82. 1831-33. Bishop Brinkley. 1882-84. 1833-35. Francis Baily. 1884-86. 1835-37. G. B. Airy. 1886-88. 1837-39. Francis Baily. 1888-90. 1839-41. Sir J. F. W. Herschel. 1890-92. 1841-43. Lord Wrottesley. 1892-93. 1843-45. Francis Baily. 1893-95. 1845-47. W. H. Smyth. 1895-97. 1847-49. Sir J. F. W. Herschel. 1897-99. 1849-51. G. B. Airy. 1899-00. 1851-53. J. C. Adams. 1900-01. 1853-55. G. B. Airy. 1901-03. 1855-57. M. J. Johnson. 1903-05- 1857-59. George Bishop. 1905-07. 1859-61. Robert Main. 1907-09. 1861-63. John Lee. 1909-11. 1863-64. G. B. Airy. 1911-13. 1864-66. Warren De la Rue. 1913-15. 1866-68. Charles Prit chard. 1915-17. 1868-70. R. H. Manners. 1917-19. 1870-72. William Lassell. 1919-21. Arthur Cay ley. J. C. Adams. William Huggins. Lord Lindsay. J. R. Hind. E. J. Stone. Edwin Dunkin. J. W. L. Glaisher. W. H. M. Christie. J. F. Tennant. E. B. Knobel. W. de W. Abney. A. A. Common. Sir R. S. Ball. Sir G. H. Darwin. E. B. Knobel. J. W. L. Glaisher. H. H. Turner. W. H. Maw. H. F. Newall. Sir David Gill. Sir F. W. Dyson. E. H. Hills. R. A. Sampson. P. A. MacMahon. A. Fowler. II. TREASURERS. W. Pearson J. Lee G. Bishop . S. C. Whitbread F. Barrow . 1820-31 1831-40 1840-57 1857-78 1878-84 A. A. Common E. B. Knobel W. H. Maw E. H. Hills . E. B. Knobel 1884-95 1895-00 1900-05 1905-13 1913-22 250
