364 



larity, investigated by La- 

 place and Young, 234. 



Bacon, celebrated in England 

 for his knowledge of sci- 

 ence, 72. Benefits confer- 

 red on Natural Philosophy 

 by him, 104. His Novum 

 Organum, 105. His re- 

 form in philosophy proves 

 the paramount importance 

 of induction, 114. His 

 prerogative of facts, 181. 

 Illustrated by the fracture 

 of a crystallized substance, 

 183. His collective in- 

 stances, 1 84. Importance 

 of, 185. His experiment 

 on the weight of bodies, 

 186. Travelling instances 

 of, frontier instances of, 

 188. His difference be- 

 tween liquids and aeriform 

 fluids, 233. 



Bartolin, Erasmus, first dis- 

 covers the phenomena exhi- 

 bited by doubly refracting 

 crystals, 254. 



Beccher, phlogistic doctrines 

 of, 300. 



Bergmann, his advancement 

 in crystallography, 239. 



Bernoulli, experiments of, in 

 hydrodynamical science, 181. 



Biot, his hypothesis of a rota- 

 tory motion of the particles 

 of light about their axes, 

 262. 



Black, Dr. his discovery of 

 latent heat, 322. 



Bode, his curious law ob- 

 served in the progression of 

 the magnitudes of the se- 

 veral planetary orbits, 308. 



Bodies, natural constitution 

 of, 221. Division of, into 



crystallized and uncrystal- 

 lized, 242. 



Bones, dry, a magazine of 

 nutriment, 65. 



Borda, his invention for sub- 

 division, 128. 



Botany, general utility of, 345. 



Boyle, Robert, his enthusiasm 

 in the pursuit of science, 

 1 1 5. His improvement on 

 the air-pump, 230. 



Brain, hypothesis of its being 

 an electric pile, 343. 



Bramah's press, principle and 

 utility of, 233. 



Brewster, Dr., his improve- 

 ment on lenses for light- 

 houses, 56. His researches 

 prove that the phenomena 

 exhibited by polarized light, 

 in its transmission through 

 crystals, afford a certain in- 

 dication of the most im- 

 portant points relating to 

 the structure of crystals 

 themselves, 263. 



Cabot, Sebastian, his disco- 

 very of the variation of the 

 needle, 3'27. 



Cagnard, Baron de la Tour, 

 utility of his experiments, 

 234. 



Causes and consequences di- 

 rectors of the will of 

 man, 6. 



Causes, proximate, discovery 

 of, called by Newton veres 

 causce, 144. 



Celestial mechanics, 265. 



Chaldean records, 265. 



Chemistry furnishes causes of 

 sudden action, also fulmin- 

 ating compositions, 62. 

 Analogy of the complex 

 phenomena of, with those of 



