INDEX. 



621 



Rome, siorDificance of its rule, ii. 206, 

 215,218. 



Rotifera as illustrating dependence ©f 

 vitality on moisture, i. 334. 



Rousseau, J. J. , his theory of a primitive 

 contract, ii. 221 ; his anarchical doc- 

 trines, ii. 479. 



Rudimentary organs, i. 455. 



S.'VEJrANN's theory of the disappearance 

 of the lunar air and water, i. iSSl. 



Pahara, effects of its submergence, 404. 



Saint-Simon, wherein different from 

 Comte, i. 260. 



Sairte-Beuve, L 29. 



Sanctions for morality furnished by 

 religious systems, ii. 454. 



Santals, religion of, ii. 453. 



Satanic presence in nature, ii. 458. 



Satellites, distribution of, i. 374. 



Saturation and substitution, i. 225. 



Satm'n, eclipses caused by his rings, i. 

 375 ; vsrhy he has rings, i. 376 ; his 

 physical condition, i. 378. 



Savages, their want of foresight, ii. 247, 

 303 ; moral condit'on of, ii. 350. 



Scales and lever, i. 36. 



Scepticism, i. 45, 80 ; its function, ii. 

 229, 411. 



Schelling, i. 48. 52, 77, 99 ; his theory of 

 "intellectual intuition," i. 124. 



Scherer, E., ii. SS'i. 



Sehlegel, A. W., his hypothesis of word- 

 budding, i. 66. 



Scholastic philosophy, its great value, 

 L 123. 



Schopenhauer, A., on Hegel, i. 124. 



Science and common knowledge, i. 27 — 

 38 ; ii. 297 ; enormous progrcbs of since 

 1830, i. 221, 251 ; originated in myth- 

 ology, i. 177. 



Sciences, Comte's classification of, i. 189 

 — 215 ; cannot be rrranged in a linear 

 series, i. 203 ; conditions which deter- 

 mine their relative progress, i. 209 — 

 212; Mr. Spencer's triple division of, i. 

 'ziij ; tabular view of, i. 219 ; device 

 for representing their relative rates of 

 pro;;rcss, i. 2'.;3. 



Secession, war of, compared with Punic 

 wars, ii. 21^. 



Segregation a'; a consequence of the per- 

 sistence of force, i. 355. 



Selection, ii. 9. 



Self-creation, i. 7. 



Self-existence, i. 7. 



Sulf-regardiiig virtues, ii. 357. 



Sensation, how different from perception, 



VOL. II. 



ii. 113 ; peripherally or cei traHy inL 

 tiated, ii. 116 ; relativity of, i. 17, 18. 



Sensations and ideas, ii. 111. 



Sense-organs differentiated from dermal 

 structures, ii. 89. 



Sequences which are not caixsal, i. 151- 



Servetus, i. 66. 



Sexual selection, ii. 27. 



Shaler, N. S., his theory of the rattle- 

 snake's rattle, ii. 28. 



Shark, brain of, ii. 133. 



Shells in England and the Mediterranean, 

 ii. 55. 



Siberian fungus, its psychical effects, L 

 414. 



Siberian mammoths, i. 321. 



Sidereal astronomy, why condemned by 

 Comte, i. 260. 



Silurian rocks not strictly palaeozoic, ii. 38. 



Similarity and dissimilarity, ii. 118. 



Sin, divine judgment on, i. 199 ; scien- 

 tific doctrine of, ii. 455 ; anthropo- 

 morphic doctrine of, as yet the most 

 useful, ii. 470. 



Sizes of planets, i. 366. 



Sleep, physiological explanation of, i. 306. 



Smith, Adam, i. 113 ; his remark about a 

 god of Weight, i. 195 ; his principle of 

 division of labour, i. 207. 



Smith, Goldvfin, on the science of history, 

 ii. 172. 



Social environment, ii. 197 ; rapid change 

 of, in recent times, ii. 335. 



Social evolution, definition of, ii. 223 ; 

 closely akin to organic evolution, ii. 

 225 ; prerequisites to the discovery ot 

 the law of, ii. 233 ; opens a new chapter 

 in the history of the world, ii. 293; 

 connected with representativeness, ii. 

 315 ; origin of, ii. 340 — 363. 



Sociality and gregariousness, ii. 341. 



Society, morphological development of, 

 ii. 215 



Sot;io::;eny, i. 222. 



Sociology a concrete science, i. 213 ; pre- 

 vision in, ii. 169 ; great difiBculty of 

 the study, ii. 191 ; position of the 

 science, ii. 198. 



Solar energy, how transformed on the 

 earth, i. 407. 



Solar nebula, its primitive rotation, i. 

 360 ; its original .shape, i. .361, 389. 



Solar ray, composition of, i. 19. 



Solar spots, scouted at by Aristotelians, 

 i. 110. 



Solidity of matter, i. 3, 373. 



Sounds, constitution of, ii. 123. 



Spallanzani and the germ-theory, i. 420. 



Special-creation by[)0lhesi8, i. 4lO. 

 M M 



