246 



INDEX. 



Meteoric Stones, no Fossil, 92. 



Meteorites, Immense, 91. 



Meteorites from the Moon, 89. 



Meteors, Vast Shower of, 91. 



Microscope, the Eye, Brain, and 

 Hair seen by, 41. 



Microscope, Fish -eye, How to 

 make, 40. 



Microscope, Invention of the, 39. 



Microscope for Mineralogists, 42. 



Microscope and the Sea, 42. 



Microscopes, Diamond Lenses for. 

 40. 



Microscopes, Leuwenhoeck's, 40. 



Microscopic Writing, 42. 



Milky Way, the, Unfathomable, 85. 



Mineralogy and Geometry, Union 

 of, 25. 



Mirror, Magic, How to make, 43. 



Moon's Attraction, the, 73. 



Moon, Has it an Atmosphere ? 69. 



Moon, Life in the, 71. 



Moon, Light of the, 70. 



Moon, Mountains in, 72. 



Moon, Measuring the Earth by, 74. 



Moon seen through the Rosse Te- 

 lescope, 72. 



Moon, Scenery of, 71. 



Moon and Weather, the, 73. 



Moonlight, Heat of, 70. 



"More Worlds than One," 56, 57. 



Mountain-chains, Elevation of, 107. 



Music of the Spheres, 55. 



Musket-balls found in Ivory, 237. 



NATURAL and Supernatural, the, 6. 



Nautical Almanac, Errors in, 185. 



Nebulae, Distances of, 85. 



Nebular Hypothesis, the, 86. 



Neptune, the Planet, Discovery of, 

 83. 



Newton, Sir Isaac, his "Apple- 

 tree," 8. 



Newton upon Burnet's Theory of 

 the Earth, 125. 



Newton's Dog "Diamond," 8. 



Newton's first Keflecting Teles- 

 cope, 94. 



Newton's " Principia," 9. 



Newton's Rooms at Cambridge, 7. 



Newton's Scale of Colours, 49. 



Newton's Soap - bubble Experi- 

 ments, 49, 50. 



New Zealand, Extinct Birds of, 

 139. 



Niagara, the Roar of, 28. 



Nineveh, Rock-crystal Lens found 



at, 39. 



Non-conducting Bodies, 215. 

 Nothing Lost in the Material 



World, 18. 



Objects really of no Colour, 37. 

 Objects, Visibility of, 30. 

 Observation, the Art of, 3. 

 Observatory, Lacaille's, 101. 

 Observatory, the London Monu- 

 ment, 103. 



Observatory, Shirburn Castle, 101. 

 Ocean and Air, Depths of unknown, 



Ocean Highways, 184. 



Ocean, Stability of the, 12. 



Ocean, Transparency of the, 171. 



" Oldest piece of Wood upon the 

 Earth," 142. 



Optical Effects, Curious, at the 

 Cape, 38. 



Optical Instruments, Late Inven- 

 tion of, 100. 



Oxford arid Cambridge, Science 

 at, 1. 



PASCAL, How he weighed the At- 

 mosphere, 148. 



Pebbles, on, 106. 



Pendulum Experiments, 16-22. 



Pendulum, the Earth weighed by, 

 200. 



Pendulums, Influence of on each 

 other, 200. 



Perpetual Fire, 117. 



Petrifaction of Human Bodies, 131. 



Phenomena, Mutual Relations of, 4. 



Philosophers' False Estimates, 5. 



Phosphorescence of Plants, 35. 



Phosphoi*escence of the Sea, 35. 



Photo-galvanic Engraving, 47. 



Photograph and Stereoscope, 47. 



Photographic effects of Lightning, 

 45. 



Photographic Surveying, 46. 



Photographs on the Retina, 236. 



Photography, Best Sky for, 45. 



Photography, Magic of, 44. 



Pisa, Leaning Tower of, 15. 



Planetary System, Origin of our, 

 86. 



Planets. Diversities of, 79. 



Planetoids, List of the, and their 

 Discoverers, 239. 



Plato's Survey of the Sciences, 2. 



