476 



INDEX. 



K. 



Kant, on analogy, ii. 245. 

 Kater's pendulum, i. 370. 

 Keill, law of emanation, ii. 82 ; axiom 



of simplicity, 281. 

 Kepler, on star discs, i. 454 ; comets, 



ii. 12; laws of, 72; refraction, 128; 



philosophic method of, 222, 280. 

 Kind, derivation of word, ii. 406. 



L. 



Lagrange, formula for interpolation, ii. 

 123; character of, 282; on algebraic 

 geometry, 291. 



Language, ii. 284, 305. 



Laplace, probability, i. 227, 247; rule 

 of inverse method, 2 79 ; planetary 

 movements, 288, 289 ; solution of 

 inverse problem, 296, 311 ; long 

 inequality of Jupiter and Saturn, 

 342 ; atmospheric tides, 426 ; obser- 

 vation of tides, 432 ; law of error, 

 438 ; works on probability, 460 ; 

 dark stars, ii. 7 ; hyperbolic comets, 

 ii ; knowledge, 13; velocity of 

 gravity, 45 ; stability of planetary 

 system, 61, 441 ; phases of Venus, 

 63; corpuscular theory, 152; figure 

 of Jupiter, 196 ; figure of earth, 

 207 ; velocity of sound, 214 ; chemical 

 affinity, 268 ; laws of force, 392 ; 

 on Universe, 431. 



Latent heat of steam, ii. 80. 



Lavoisier, oxygen, i. 274; ii. 336; 

 decomposition of water, 3 ; simplifi- 

 cation of experiments, 31 ; definition 

 of element, 36. 



Law, of identity, difference, duality, 

 excluded middle, of thought, &c., i. 

 6, 7, 87, 88, 95 ; of things, 8 ; 

 disjunctive relation, 85 ; commuta- 

 tiveness, 85, 180, 200; Bode's, 165, 

 297; homogeneity, 179; error, 434; 

 exact, ii. 79 ; discovery of, 90 ; 

 Dalton's, 82, 91, 274, 329; empirical 

 mathematical, 110; empirical quan- 

 titative, 125; of emanation, 82; of 

 nature, 143; Dove's, 168; Draper's 

 257 ; Carnot's, 257 ; of continuity, 

 268, 419; of motion, 270; reign of, 

 428; natural, 429. 



Least squares, method of, i. 437, 458. 



Legendre, geometry, i. 319; least 

 squares, 437. 



Leibnitz, i. 198, 244; ii. 135; on con- 

 tinuity, 272. 



Leslie, i. 400 ; ii. 33, 104. 



Lexell's Comet, ii. 315. 



Light, unit of, i. 377 ; medium of, ii. 

 141, 145; predictions in, 173; wave- 

 lengths, 198; velocity of, 202; mag- 

 netic influence on, 234 ; colours, 423. 



Lindsay, T. M., i. 26. 



Linnaeus, ii. 399, 415, 416. 



Liquids, ii. 251, 267, 320, 334. 



Locke, on number, i. 176; probability, 

 246 ; power, 254. 



Logarithms, errors in tables of, i. 278; 

 calculation of, ii. 6. 



Logical Abecedarium, i. 107, 109, 214, 

 234; ii. 367, 380, 387; abacus, i. 

 119; slate, no; machine, 123. 



Lucretius, atoms, i. 256 ; ii. 435 ; in- 

 destructibility of matter, 277 ; gravity, 

 3'3- 



M. 



Machine, logical, i. 123 ; Smee's, 124. 



Macleay's system, ii. 407. 



Magnetism, and light, ii. 234 ; attrac- 

 tion of, 256; universality of, 274; 

 animal, 342. 



Mallet, on earthquakes, i. 368. 



Malus, polarization of light, ii. 163. 



Mammalia, ii. 354, 372. 



Mansel, i. 83 ; ii. 384. 



Mariotte, law of, ii. 91, 274. 



Mars, poles of, ii. 245, 300. 



Maskelyne, personal error, i. 402 ; den- 

 sity of earth, ii. 209. 



Mass, unit of, i. 372. 



Materialism, ii. 428. 



Mathematics, reasoning in, i. 173, 270; 

 empirical discovery in, 266 ; nega- 

 tive inductive arguments in, ii. 20; 

 incompleteness of, 451. 



Maxwell, Clerk, on Balances, i. 355 ; 

 speed of electricity, ii. 54 ; on Fara- 

 day, 224. 



Mean, method of, i. 414; derivation 

 of word, 418 ; fictitious, 422 ; precise, 

 424; probable, 447. 



Measurement, exact, i. 313 ; conditions 

 of accurate, 328 ; instruments of, 330 ; 

 by natural coincidence, 341 ; modes 

 of indirect, 345 ; systematic perform- 

 ance of, 35 1 ; attainable accuracy, 

 354; units and standards of, 357; 

 explained results of, ii. 193 ; accord- 

 ance of, 201*; best mode of, 204; 

 agreement of distinct modes, 206. 



Melvill, Thomas, ii. 38. 



Metals, i. 298 ; ii. 365. 



Meteorology, interpolation in, ii. 122 ; 

 results in, 191. 



Meteors, observation of, i. 432 ; ii. 16 ; 

 number of, 12. 



Method, inverse, i. 279 ; of measure- 

 ment, 332 ; repetition, 335 ; indirect 

 measurement, 345 ; of avoidance of 

 error, 393 ; differential, 398 ; correc- 

 tion, 400 ; compensation, 406 ; re- 

 versal, 410; means, 416; least squares, 

 437 ; ii. 1 16; variations, ii. 50; graphi- 

 cal, 1 1 6. 



