INDEX 



Acade'mie 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) Zetseq.; (Greek) 16; 

 (Roman) 34; (Alexandrian) 45; 

 (Hindu) 48; (Arabian) 49, 50; 

 (Copernican) 55 ; (Tycho 

 Brahe and Kepler) 87 et seq. ; 

 (Newton) 110 et seq.; (nebu- 

 lar hypothesis) 142 et seq.; 

 (discovery of Neptune) 184 

 et seq. 



Atmosphere, 157. 



Atomic Theory, 158 et seq., 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 seq., 80 et 



seq., 105; Baconian principles, 



211. 



Bacon, Roger, 54. 

 Bacteria, 93. 

 Bacteriology, 213 et seq. 

 Bagdad, 49. 

 Barbarians, 46. 

 Barometer, 94 et seq. 

 Basalt, 131, 132, 136, 137, 201. 

 Becquerel, 233, 246 et seq. 

 Beddoes, 173. 

 Beer, 223, 226. 

 Berzelius, 162. 

 Bessel, 187. 

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



78, 109, 197 et seq., 213. 



