INDEX 



Academic des Sciences, 111, 112 



Academy, at Athens, 19; Mil 

 ton's plan, 102; Defoe's, 116 

 Franklin's, 125; type of sec- 

 ondary school, 282. 



Adams, John Couch, 188 et seq 



Aerodynamics, 233. 



Agricola, George, 129. 



Agriculture, 12, 38, 107, 126, 137 



Air, 157. 



Air craft, 71, 126, 231 et seq. 



Air-pump, 96. 



Akademie der Wissenschaften, 

 113. 



Albertus Magnus, 53. 



Alchemy, 50, 252. 



Alcuin, 52. 



Alexandria, 19, 44 et seq. 



Algebra, 49. 



Alkaline earths, 179. 



American Philosophical Society, 

 121. 



Anatomy, 6, 8, 38, 50, 78. 



Anemometer, 107, 235. 



Anthrax, 224 et seq. 



Antipodes, 37, 48. 



Antiseptic surgery, 220, 231. 



Application, 30 et seq. 



Aqua regia, 51, 132. 



Aqueducts, 33. 



Aqueous vapor, 157 et seq. 



Arago, 184. 



Archimedes, 27. 



Architecture, 30 et seq. 



Archytas, 18. 



Aristotle, 20 et seq., 49, 51, 53, 



266. 

 Arithmetic, 6, 11, 48. 



Arnold, Matthew, 273. 



Astrology, 10. 



Astronomy, (Egyptian and Ba- 

 bylonian) 2 et seq.; (Greek) 18; 

 (Roman) 34; (Alexandrian) 45; 

 (Hindu) 48; (Arabian) 49. 60; 

 (Copernican) 55 ; (Tycho 

 Brahe and Kepler) 87 ft *.; 

 (Xewton) 110 et stq.-. (nebu- 

 lar hypothesis) 142 et *q.; 

 (discovery of Neptune) 184 

 et seq. 



Atmosphere, 157. 



Atomic Theory, 158 et *q., 250. 



Atoms, 17, 148, 158, 253. 



Augustus Caesar, 36. 



Averroes, 51 et seq. 



Avicenna, 51. 



Avogadro, 165. 



Babylonia, 1 et seq. 



Bacon, Francis, 57 et nq. t 80 ft 



seq., 105; Baconian principle* 



211. 



Bacon, Roger, 54. 

 B.H t.-ria, 93. 



logy, 213 et *q. 



Ballad. V!>. 



barbarians, 40. 

 Barometer, 94 d 9*q. 

 Basalt, 131. 132, 130. 137. 201. 

 Becquerel. 233. 240 * tig. 

 Bcddoes, 173. 

 Beer, 223. 2*0. 

 Benelius, 16*. 

 Vessel 187 



Biology. 6, 7. 23 et stq.. 37. 53. 

 78, 109, 197 et Mg.. 213. 



