40. Saturn as observed by F. Terby, February 1887 203 41. Apparent orbits of the Five Inner Satellites of Saturn 212 42. Transit of the Shadow of Titan 213 43. Uranus and his belts 218 44. Apparent orbits of the Satellites of Uranus 221 45. Apparent orbit of the Satellite of Neptune 224 46. Mars, Saturn, and Regulus in same field, Sept. 20, 1889 226 47. Comet 1862 III. (Aug. 19, 1862) 237 48. Sawerthal’s Comet, 1888 I. (March 25, Brooks) 237 49. Brooks’s Double Comet, Sept. 17, 1889 239 50. Pons’s Comet (1812). Telescopic view, 1884, Jan. 6 242 51. Ditto. Ditto, 1884, Jan. 21 242 52. Radiation of Meteors. (Shower of early Perseids, 1878) 263 53. Double Meteor. Curved Meteor. Fireball 265 54. Meteorite found in Chili in 1866 265 55. Meteorite which fell at Orgueil in 1864 265 56. Fireball of Nov. 23, 1877, 8^h 24^m (J. Plant.) 269 57. Flight of Telescopic Meteors seen by W. R. Brooks 272 58. Meteor of Dec. 28, 1888, 6^h 17^m 277 59. Large Meteor and streak seen at Jask 278 60. The Constellation Orion 289 61. Diagram illustrating the Measurement of Angles of Position 291 62. Double Stars 301 63. Trapezium in Orion as seen with the 36-inch refractor 319 64. Nebulæ and a Star-cluster 336 65. Nebula within a semicircle of stars 342 TELESCOPIC WORK FOR STARLIGHT EVENINGS. CHAPTER I. _THE TELESCOPE, ITS INVENTION AND THE DEVELOPMENT OF ITS POWERS._