INDEX 



481 



Lens, found in palace of Nimrud, 



200 

 Leonardo da Vinci, his genius, 159 



not a Coppernican, 177 

 Leonids, meteoritic swarm, 276 

 Lesage, of Geneva, his theory of 



gravitation, 453 

 Lettres Philosophique sur les Anglais, 



Voltaire's, 265 

 Leverrier, calculates the orbit of 



the November meteors, 277 

 predicts an extra -Uranian planet, 



3ii 



Leviathan, a work by Hobbes, 223 



Lewes, quotation from his Aris- 

 totle, 239 



Libraries, a characteristic of civilisa- 

 tion, 152 



Library of Alexandria, its extent, 



in 

 Royal, of France, founded, 152 



Life, brevity of human, compared, 



2 4 



cosmic exchange of, 436 

 human, value of, 464 

 influence of gravitation on, 366 

 physical explanation of, 33 

 probable likeness of, throughout 



the universe, 441 

 Light, composition of, revealed by 



Newton, 257 



factor of extinction of, 395 

 geometry of, 59 

 speed of, Bacon's ideas on 



Roemer's discovery of, 283 

 wave theory of, 346 

 " Little world, the," of Jupiter 

 an image of the solar system, 

 204 



Llorente, on victims of the Inquisi- 

 tion, 164 

 Locke, anticipated by Democritus, 



134 

 Logarithms, unknown to the 



Greeks, 146 

 Louis XV., his patronage of science, 



230 

 Lowell, quotations from his Masac- 



cio, 174, 184 

 Lucretius, on the size of the sun, 



22 



on the struggle for existence, 



148 



quotation from his poem, 330 

 reports ideas of Democritus, 137 

 Luther, his appearance shortly after 



Columbus' discovery, 163 

 on the Coppernican theory, 177 



MACAULAY, laudation of Lord 



Bacon, 213 

 on history, 98 

 MacFadyen, experiments on life of 



germs, 439 



Machine, cosmos as a, 465 

 Machinery, its wide influence, 150 

 Madler, on structure of the Milky 



Way, 392 



Magalhaens, expedition of, 356 

 Magnet, The New Physiology of, a 



work by Gilbert, 190 

 Magnitudes, stellar, a classification, 



358 

 Man, primitive, his ideas of the 



world, 49 

 size of, compared with the earth, 



39 



Marco Polo, reports of, 159 

 Maria Theresa, remark to Mauper- 



tuis, 234 



Marript, and Boyle, on pneuma- 

 tics, 242 

 Martha, translation of Lucretius, 



330 



tribute to Democritus, 135 

 Martyrdom, a useless sacrifice, 182 

 Mass action, law of, discovered by 



Newton, 259 

 of the planets, computed by 



Newton, 261 

 of the solar system, 403 

 Material of the universe, all the 



same, 348 

 Materialism, Democritus as its 



grandsire, 140 

 and mechanism, not identical, 



220 

 Mathematics, origin of the word, 52 



pay of professors of, 197 

 Matter, disintegration of, how far 



it may be carried, 1 36 

 gravitation not an inherent pro- 

 perty of, 449 



increasing aggregation of, 459 

 indestructibility of, taught by 



Democritus, 138 



new ideas on constitution of, 396 

 the unceasing circulation of, 424 

 Matterhorn, imaginary being on the, 



85 

 Maupertuis, on shape of nebulae, 



405 



reply to Maria Theresa, 234 

 Max, Gabriel, portrait of primitive 



man, 49 



Maxwell, Clerk, on pressure of light, 

 433 



2 H 



