GENERAL INDEX 



the balloon invented by the 

 Montgolfier brothers, 7, 231; 

 the first successful balloon 

 ascension, 7, 232; Rozier, 

 the first man to make an 

 ascent in a balloon, 7, 235; 

 Blanchard's attempt to pro- 

 duce a dirigible balloon, 7, 

 238; hot-air balloons and hy- 

 drogen-gas balloons, 7, 240; 

 Rozier, the first victim of 

 ballooning, 7, 241; progress 

 in mechanical flight, 7, 244; 

 Giffard "the Fulton of Aerial 

 Navigation," 7, 251; the 

 voyages of the Giant, con- 

 structed by Nadar, 7, 252; 

 early war balloons and dirigi- 

 ble balloons, 7, 257; the 

 use of balloons during the 

 Franco-Prussian War, 7, 258; 

 the dirigible balloon achieved, 

 7, 262 ; the dirigible balloon of 

 Dupuy de Lome, 7, 263; the 

 aluminum balloon of Herr 

 Schwartz, 7, 264; the dirigi- 

 ble balloons of Count Zeppe- 

 lin, 7, 265; the balloons of 

 Santos-Dumont, 7, 267. 

 Navigation, limits of ancient, 



6, 13- 



Neanderthal skull, regarded by 

 modern zoologists as a dis- 

 tinct species of man, 3, 102. 



Neilson, of Glasgow, inventor 

 of the flat gas burner, 6, 

 208. 



Neolithic civilization supplanted 

 by the invasion of cultivated 

 people from the East, 1, 31. 



Neon, discovery of, 6, 87. 



Neptune, the planet, its exist- 

 ence predicted by the Ger- 

 man astronomer Bessel, 3, 

 42 ; discovered five years 

 later by John Couch Adams, 

 of England, ibid. 



Neptunists, a name given to the 

 followers of Werner, who 

 denied the theory of the 

 metamorphosis of rocks, 3, 

 131. 



Nerve cells, process of staining, 

 4, 282; each an isolated 



entity, 4, 283; importance of 

 the discovery of, 4, 285. 



Nerves, function of, 4, 249. 



Newcomb, Simon, used fifty 

 thousand separate and dis- 

 tinct observations in prepar- 

 ing his tables of the sun, 7, 



39- 



Newcomen, Thomas, atmos- 

 pheric engine of, described, 

 6, 89; similarity to Papin en- 

 gine, 6, 89; injection of cold 

 water for condensation, au- 

 tomatic working of valve, 6, 

 91; rapid adoption, 6, 92. 



New Cosmology Copernicus to 

 Kepler and Galileo, The, 

 Chapter IV, 2, 52. 



New Institutions of Learning, 

 Philosopher Scientists and, 

 Chapter IX, 2, 191. 



Newlands, John A. R., studies 

 of atomic weights, 4, 67. 



New Physics, Galileo and the, 

 Chapter V, 2, 93. 



New Science of Paleontology, 

 The, Chapter III, 3, 74. 



New Science of Meteorology, 

 The, Chapter V, 3, 168. 



New Science of Experimental 

 Pyschology, The, Chapter IX, 

 4, 245. 



New Science of Oriental Archae- 

 ology, The, Chapter X, 4, 287. 



Newton and the Composition of 

 Light, Chapter XI, 2, 225. 



Newton and the Law of Gravi- 

 tation, Chapter XII, 2, 236. 



Newton, Instruments of Pre- 

 cision in the Age of, Chapter 

 XIII, 2, 252. 



Newton, The Successors of, in 

 Astronomy, Chapter I, 3, 3. 



Newton, Isaac, 2, 225-251; dis- 

 covery of the composition of 

 white light, 2 , 227; the nature 

 of color, 2, 233; the law of 

 gravitation, 2, 236; further 

 computations in the Principia, 

 2, 243-250; invention of re- 

 flecting telescope, 2, 255; 

 supported the theory which 

 regarded light as a corpus- 

 cular emanation, 6, 153; sug- 



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