INDEX. 



SpeciaTists, narrowness of, i, 241. 



Specios, bifurcation of, ii. 18. 



Spectrum-analysis, i. 202, 207, 249 ; its 

 latest indications, i. 388 ; enables us to 

 measure the direct approach or reces- 

 sion of a star, i. 487. 



Spencer, Herbert, his greatness as a psy- 

 chologist, i. 163 ; his refutation of the 

 theory of the " Three Stages," i. 173 ; 

 Iiis refutation of the Comtean classifica- 

 tion, i. 204 ; his distinction between 

 abstractness and generality, i, 214 ; 

 his triple division of sciences, i. 216 ; 

 his opinion of Comte's speculations, i. 

 227 ; comparison of his achievements 

 with Newton's, i. 326, 351 ; his ex- 

 planation of the retrograde rotation of 

 Uranus, i. 365 ; his hypothesis regard- 

 ing the asteroids, i. 370 ; his theory of 

 the distribution of nebulae, i. 388 ; on 

 the functions of cerebrum and cere- 

 bellum, ii. 138; on the genesis of 

 nervous systems, ii. 146 ; " Ideas do 

 not govern the world," ii. 242 ; emen- 

 dation of his phrase " nervous shock," 

 ii. 444 ; his refutation of materialism, 

 iL 446 ; description of the state of 

 Booiety toward which we are progress- 

 ing, ii. 495. 



Bpinoza, i. 24; erroneousness of his 

 method, L 116; proiluced a crisis in 

 philosophy, i. 117 ; on the personality 

 of God, ii. 409. 



Spirit, ii. 395, 449. 



Spirits in pharmacy, i. 197. 



" Spiritualism," superstition of, ii. 379. 



Spontaneous generation, i. 12J, 243. 



Stahl, i. 127, 419. 



Statical and dynamical habits of thought, 

 ii. 371, 473. 



Status and contract, ii. 221. 



Stimulus, metaphysical doctrine of, L 

 197 ; dynamically defined, i. 412. 



Stewart, Balfour, i. 31 : 5. 



Struggle for life, ii. 12. 



Struthious birds, ii. 67. 



Subjective method defined, i. 98. 



Subsidence and elevation, ii. 39. 



Sun, source of his heat, i. 359 ; must ulti- 

 mately become cold, i. 3^2. 



Sun-spots and rain-fall, i. 4o6. 



Sympa^hctic nerve, its action on the 

 bloodvessels, i. 306. 



Sympathy, iL 352. 



Tactile sensations, how compounded, ii. 



129. 

 Tactual sense, in man and lobster, i. 17. 



Taine, H. A,,ii. 123. 



Tear and lai-me, i. 446. 



Teleological hypothesis, its logical weak- 

 ness, ii. 385; overthrown by the dis« 

 covery of natural selection, ii. 897 { 

 origin of, ii. 399. 



Tennyson, ii. 85, 462. 



Theism, i. 7 ; does not necessarily imply 

 personality of God, ii. 424. 



'' Theological," sometimes \mfortunateIy 

 used by Comte, i. 196. 



Thermodynamics, i. 34. 



Thought and phosphorus, ii. 436 ; wherein 

 dependent on solar radiations, i, 413. 



Throe stages, Comte's theory of, L 168 ; 

 ii. 238, '245, 478. 



Tides, rhythm of, i, 305 ; checking plar 

 netaiy rotation, i. 359, 393. 



Timaios of Plato, i. 102. 



Timbre , or quaUty of sound, source of, ii. 

 125. 



Torricelli's discovery of atmospheric pres- 

 sure, i. 209. 



Toxodon, ii. 41. 



Transit-luies in brain, ii. 139. 



Transitional forms, alleged paucity of, iL 

 33. 



Transubstantiatiou and transaccidenta- 

 tion, i. 123. 



Trees iu Europe and America, ii. 65. 



Truth, test of, i. 11, 45—71, 286 ; u. 162; 

 definition of, i. 45 ; ii. 246 ; does not 

 apply where experience is transcended, 

 L 11 ; u. 391. 



Undulation, how necessitated, i. 800. 



Undulatory theory of light, i. 300. 



Uuerabodied spirit, ii. 395. 



Uniformity of belief and practice, ita 

 dangers, ii. 273. 



Unit of mind, ii. 131. 



Universal proposition inferred from single 

 instance, i. 55. 



Cniveise, origin of, i. 6 ; how far un- 

 knowable, i. 15 ; ii. 413. 



Unknowable, doctrine of, rejected by 

 Positivism, i 82. 169, 262 ; misunder- 

 standings to which the term has given 

 rise, ii. 469. 



Uranus, his retrograde rotation, L 356^ 

 365. 



Use and disuse, ii. 17. 



Verification, i. 108, 127. 

 Vibration of particles, i. 20, 47» 

 VibrisssB, ii, 90. 

 Vico's theory of cycles, L SlOl 



