472 



INDEX. 



Bain, on powers of mind, i. 4 ; induction, 

 261. 



Baker, poem ' Universe,' ii. 2 76. 



Balance, i. 355 ; use of, 410 ; vibrations 

 of, 429. 



Ballot-box, hypothesis of, i. 169, 275, 

 280, 291 ; ii. 156, 464. 



Barometer, i. 455; ii. 325; standard, 

 Gay-Lussac's,i. 401 ; variations of, 389. 



Baynes, Professor T. S., ii. 387, 393. 



Belief, quantity of, i. 226. 



Beneke, on Substitution, i. 26. 



Bentham, George, i. 18 ; bifurcate clas- 

 sification, ii. 372, 387; quantification 

 of predicate, 398. 



Bentham, Jeremy, ii. 385. 



Benzenberg, i. 453 ; ii. 311. 



Bernouilli, Daniel, planetary orbits, i. 

 289 ; resisting media, ii. 86 ; vibra- 

 tions, 97. 



Bernouilli, James, i. 302 ; combina- 

 tions, 198 ; arithmetical triangle, 206 ; 

 theorem of, 238 ; erroneous solution, 

 244. 



Bernouilli, numbers of, i. 143. 



Bessel, formula of, ii. 1 1 1 ; observation 

 of comets, 133; sun's parallax, 203 ; 

 figure of earth, 207; pendulum, 255. 



Biela's Comet, ii. 316, 440. 



Bifurcate classification, ii. 371. 



Binomial theorem, i. 216 ; discovery of, 

 266. 



Bismuth, ii. 261. 



Bode's law, i. 165, 297. 



Boethius, i. 40, 83 ; on means, 418. 



Boiling point, ii. 54, 325. 



Boole, George, his logic, i. 18, 27, 28, 

 39, 174; ii, 293; Commutativeness, 

 i. 42 ; indeterminate adjective some,49, 

 50; sign of addition, 81 ; exclusive 

 divisions, 82, 83 ; value of his logic, 

 130; statistical conditions, 190; nu- 

 merically definite propositions, 194; 

 probability, 227, 235 ; on inverse me- 

 thod, 296. 



Botany, ii, 335, 350, 353, 388 ; nomen- 

 clature in, 417. 



Bowen, on inference, i. 136 ; method of 

 least squares, 448 ; classification, ii. 

 346. 



Boyle, law of, ii. 87, 91, 274 ; on hypo- 

 thesis, 138; barometer, 325. 



Bradley, i. 314; ii. 169; on aberration, 

 66. 



Brewster, Sir David, refractive indices, 

 i. 13 ; ii. 159 ; iridescent colours, 26 ; 

 spectrum, 39 ; optic axes, 59 ; natural 

 colours, 148. 



British Museum, catalogue of, ii. 403, 

 405. 



Brodie, Sir B. C., errors of experiment, ii. 

 83; ozone, 331. 



Brown, on Cause, i. 258. 



Buckle, ii. 321, 459. 

 Buffon, i. 237, 246. 



Bunsen, Robert, spectrum, i. 281 ; light, 

 316, 378; ii. 52 ; calorimeter, i. 397. 



C. 



Calc-spar, ii. 325, 362. 



Calorescence, ii. 332. 



Calorimeter, i. 405. 



Canton, John, compression of water, i. 



39- 



Capillary attraction, ii. 57. 



Carbon, conductibility of, ii. 53 ; che- 

 mistry of, 418. 



Carbonic acid, ii. 334. 



Carnot, ii. 257. 



Catalogues, ii. 401. 



Cauchy, ii. 88. 



Cause, i. 253 ; probability of, 279. 



Cavendish, i. 316; ii. 208. 



Centre of gravity, percussion, &c., i. 

 422 ; of parallel forces, ii. 317. 



Centrobaric bodies, i. 423 ; ii. 84. 



Certainty, i. 271, 308. 



Chalmers, on Collocations, ii. 434. 



Chance, i. 225. 



Character, human, ii. 425. 



Characteristics, ii. 395. 



Chemical affinity, ii. 267. 



Chemistry, ii. 160, 205, 285, 347, 364, 

 399 ; organic, 181, 419, 427. 



Chloroform, discovery of, ii. 165. 



Circle, ratio of diameter and circumfer- 

 ence, i. 269. 



Clairaut, ii. 314, 315 ; on gravity, 81. 



Classification, ii. 344. 



Clocks, astronomical, i. 330, 394 ; mu- 

 tual influence of, ii. 70 ; connexion of, 

 106. 



Clouds, ii. 14, 15, 1 6. 



Coincidences, i. 302. 



Collective terms, i. 35. 



Collocations of matter, ii. 434- 



Colours, iridescent, ii. 26 ; natural, 147; 

 spectroscopic, 229. 



Combinations, i. 200; calculation of, 204. 



Comets, ii. 248, 315, 316, 334, 357 ; hy- 

 perbolic, ii ; number of, II, 14; 

 conflict with, 440, 442. 



Commutativeness, i. 85, 1 80, 200. 



Comparative use of instruments, i. 350. 



Compass, variation of, i. 327. 



Comte, Auguste, i. 227, 245; ii. 171, 

 280, 449. 



Concrete number, i. 178. 



Conditions, i. 260; removal of usual, ii. 

 35 ; unsuspected, 37 ; maintainance of 

 similar, 55 ; approximation to natural, 

 84. 



Confusion of substances, i. 273. 



Conical refraction, ii. 175, 318. 



Conjunction of planets, i. 342; ii. 322. 



