INDEX. 



349 



Medicine, 20, 38, 40, 44, 63, 96. 

 Melloni [Physicist], 239. 

 " Melopeia" of the Greeks, 60. 

 Menageries, 43, 



Mendacity in the Middle Ages, 305. 

 MendelejefT [Chemist], his Peri- 

 odic Law, 1 88. 

 Mendicity, 155. 

 Mercantile Companies, 298. 

 Mercator, 56, 98. 

 Mercury, Phases and Transit of, 



198, 199, 202. 

 Meridian of Spain, 234. 

 Metallurgy, 98, 283. 

 Metamorphism, 166. 

 Meteorites, 26, 253. 

 Meteoritic Hypothesis, 214, 253. 

 Meteorology, 162, 167. 

 Method of Fluxions, 193. 

 Oscillation, 223. 

 Research, xiii., i, 270. 

 Torsion Balance, 223. 

 Meton, Cycle of, 20. 

 Michel Angelo, 64. 

 Microscope, 100, 123, 267, 273 ; 



Spectrum, 257. 

 Milky Way, 20. 

 Miller, Dr., 253. 

 Milling, Growth of, 289-292. 

 Minerals, 41. 

 Mirbel [Physiol.], 126. 

 Mirrors, Concentric, 22, 53. 

 Misery, Decrease of, 274. . 

 Mitscherlich [Chemist], Law of 



Isomorphism, 183. 

 Modern Discoveries, 109. 



Industry (Extension of), 



261. 



Inventions, 280, 281. 

 Merchant, 295. 

 Science, 109. 

 Mohl (Von) [Biol.], originated the 



Theory of Protoplasm, 133. 

 Moldenhauer [Physiol.], 126. 

 Molecular Constitution, 186. 

 Current, 258. 

 Force, 226. 

 Ocean, 262. 

 Physics, 255 



Molecules, 185, 186. 



Motion and Size of, 254. 

 Mondini, 60. 



Monge [Math.], Descriptive Geo- 

 metry, 195. 

 Monteverde, 60. 

 Montgolfier [Physicist], Balloons,, 



224. 



Moon, Evection of, 26. 

 Moons of Jupiter, 100. 

 Moral Effects of Scientific Progress,, 



xvii. 



Progress, 297. 

 Results of Science, 297-309. 

 Morgagni [Biol.], 128. 

 Morley (J.) quoted, 307, 308. 

 Moro [Geol.], 160. 

 Morse [Physicist], 240. 

 Telegraph, 262. 

 Motion, 247, 257. 



Heat a Mode of, 227. 

 of the Earth, 245. 

 ., Planets, 20. 



Stars, 262. 



Mountains, Altitude of, 203. 

 Mtiller, Fritz and Hermann Biol.J,. 



147. 



Johann [Physiol.], 127. 

 Max (Philologist], 152. 

 Multiple Stars, 234. 

 Multiplier, Thermo-electric, 239. 

 Municipal Liberties, 68, 298. 

 Murchison [Geol.]., Silurian and" 



Devonian Systems, 164. 

 Murdoch, 261. 

 Muschenbroeck [Physicist], Leyden 



Jar, 220. 



Museums of Alexandria, 19, 27. 

 Museums, i. 

 Music, 51. 



Musical Vibrations, 102, 191, 194^. 

 220, 227. 



NAPIER, 55, 58. 

 Nasmyth, 262. 

 Natural Constants, 194. 



History, 96, 269. 



Laws, 271. 



Philosophy, 70. 



