336 



INDEX. 



Celsius [Physicist], 220. 

 Centigrade Thermometer, 220. 

 Centre of Gravity, 36, 60. 

 Centuries XVI., 269. 

 XVII., 271. 

 XVIII., 272. 

 XIX, 274. 

 Chaldaean Astronomy, 5, 6. 

 Saros, 6. 

 Science, 6, 7. 

 Ziggurats, 6. 

 Chambers, 139. 



Champollion [Philologist], Hiero- 

 glyphics, 151, 230. 

 Changes, Political, due to Science, 



300. 

 Changes, Social, due to Industry, 



298. 



Character of the Revival, xv., 91. 

 Charlemagne, 47. 

 Chasles [Math.], 196. 

 Chaucer, 65, 66. 

 Cheap Food, 289, 296. 

 Chemical Action of Light, 242. 

 Analysis, 210, 242, 247. 

 ,, Attraction, 219. 

 Effects of Cold, 256. 

 Elements, 242, 257, and 



see Discovery of. 

 Evolution, 1 86, 187; Che- 

 mists holding the 

 Theory, 187. 



Fractionisation, 188. 

 Harmonicon, 256. 

 Laws, 1 80. 

 Manipulation, 37, 38. 

 Rays, 206. 

 Chemico-physical Laws, 275. 

 Chemists, Discoveries of, see Dis- 

 coveries of. 

 Chemistry, 243, 273, 275, 276, 280, 



281, 283, 285. 



Chemistry (Arabian), 37, 44, 60 ; 

 Definition of, Appen- 

 dix AA. 

 General Remarks on, 



189. 



Modern, 172. 

 Organic, 124, 184. 



Chemistry, Solar and Stellar, 234. 

 Chevreul [Chemist], Fatty Sub- 

 stances, his Law of Colours, 183. 

 Chinese (The), 21 (note). 



(The Compass of the), 51- 



54- 



Chivalry, 31. 

 Chladni [Physicist], 227. 

 Christian Idea (The), 297. 

 Christian Times witness Great 



Evils, 298. 

 Chromosphere, 214. 

 Chronometer, 232. 

 Circle (Division of), 196. 

 Circulation of the Blood, 60, 62. 

 Circumference (Incommensurability 



of), 194. 



Civilisation (Strides of), through 

 the Tool, the Plough, the Sword, 

 and the Book, 293. 

 Classification, 21, 61. 



Artificial, 114. 



Comte's, no. 



Natural System of> 



115. 



Spencer's, 112. 



Clausius, 244, 254. 

 Clavicylinder, 227. 

 Clement IV., 65. 



of Ireland, 47. 

 Clepsydra, 24, 42. 

 Climate of Greece, 16. 

 Climatology, 162, 258. 

 Clocks (Pendulum), 42, 55. 

 "Clouds" of Aristophanes, 13. 

 Coal, 1 6, 247. 

 Gas, 261. 

 Tar, 1 86. 

 Ccelium Theory, 147. 

 Coefficient of Expansion of Gases, 



233, 241. 

 Coiter, 63, 96. 

 Colbert [Sociol.], 153. 

 Cold (Chemical Effects of), 256. 

 Colebrook [Philologist], 151. 

 " Colliget " of Averroes, 39. 

 Colours (Law of Contrast of), 183. 



of the Sky, 257. 



(Prismatic), 218. 



