620 



INDEX. 



actions are sometimes j^ileasurable, ii. 

 333. 



Polarity, i. 290; physiological, ii. 57. 



Political economy, a deductive scienco, 

 i 113. 



Polytheism, i. 168. 



Positive Polity, utter failure of, ii. 489 ; 

 its retrograde character, ii. 494. 



Positivism, its relations with idealism, 

 i. 74 — 83; an impracticable philo-ophy, 

 i. 176 ; current disposition to identify 

 all scientific philosophy v^ith it, i. 255 ; 

 five fundamental propositions of, i. 

 257 ; antagonistic to Cosmism, i. 93,9^ 

 145, 175, 184, 263. 



Post hoc ergo propter hoc, i. 150. 



Power, oar notion of, whence derived, 

 i. 156. 



Prayer cannot ward off the effects of 

 wrong-doing, ii. 464. 



Precession, i. 303. 



Prediction in science, i. 33. 



Pre-established Harmony, i. 24, 129, 158. 



Preformation, theory of, i. 456. 



Prehension and intelligence, ii. 309. 



Prevision, quantitative and qualitative, 

 i. 33 ; in sociology, ii. 169. 



Primitive men, their unprogressiveness, 

 n. 291. 



Primitive religion, ii. 458. 



Primitive state of high civilization, 

 theory of, ii. 264. 



Proctor, R., i. 374, 378, 380. 



Progress, habitually misunderstood, ii. 

 193 ; not universal, ii. 195, 255 ; yet 

 still the prime phenomenon to be in- 

 vestigated, ii. 196 ; factors of, ii. 197 ; 

 its fundamental characteristic, ii. 201 ; 

 its root in the exercise of the conjugal 

 and parental feelings, ii. 203 ; deter- 

 mined by increasing heterogeneity of 

 environment, ii. 213 ; why more npid in 

 modem than in ancient times, ii. 214; 

 law of, ii. 223 ; Comte's theory of, ii. 

 240 ; moral and intellectual elements 

 in, ii. 241 ; why some people do not 

 advance, ii. 256 — 283 ; inconspicuous in 

 lower races of men, ii. 289. 



Proklos, his divine Ught, i. 23, 125. 



Protective spirit, ii. 231, 



Protists, Haeckel's Kingdom of, i. 450. 



Providence, mediaeval notion of, ii. 381. 



Psychical phenomena can never be re- 

 solved into motions of matter, ii. 442. 



Psychical states built up out of sub- 

 psychical states, ii. 123 ; cohere less 

 strongly as they increase in com- 

 plexity, ii. 153. 



Psychogeny, L 22L 



Psychology; rejected by Comte, \. 104 ; 

 twofold division of, i. 221 ; wherein 

 different from biology, ii. 76 ; problem 

 of, ii. 78 ; its claims to rank as a pri- 

 mary science, ii. 80 ; its dependence on 

 biology, ii. 82. 



Pterodactyl and birds, ii. 51 — 53. 



Punic wars compared with the war \A 

 secession, :i. 249. 



Pyrrhonism, i. 23. 



Rainbows, why explained before cometr 



i. 210. 

 Realism , i. 67. 

 Reason, how evolved from instinct, i_ 



154. 

 Reasoning involves classification, i. 31 . 



ii. 106 ; quantitative and qualitativo. 



ii. 102. 

 Reconciliation between Kant and Hume. 



i. 72,149 ; ii. 160. 

 Redi, his panegyric on wine, i. 412 ; hi' 



experiments on decaying meat, i. 419, 

 Reflex action, ii. 149. 

 Reid, i. 77—79. 

 Relational and nutritive systems o 



organs, ii. 86. 

 Relations, equality of, ii. 100 ; of animai- 



in time, i 452. 

 Relative truth, criterion of, i. 71. 

 Relativity, canon of, i. 10 ; full meaning; 



of the doctrine, i. 91. 

 Religion not antagonistic to science, i 



184; its relations to morality, ii. S.*)?, 



465 ; of Humanity, how reached b^i 



Comte, i. 261 ; ii. 417. 

 Religions of antiquity, their function, ii 



266. 

 Repentance cannot ward off punishment, 



ii. 455. 

 Representativeness, its importance as an 



intellectual faculty, ii. 512. 

 Retina, structure of, ii. 62. 

 Reversion of domesticated animals to- 

 ward wild type, ii. 13. 

 Revolution of 1789, ii. 480. 

 Rhythm of motion, i. 2,37—313. 

 Right and wrong, how different from 



pleasure and pain, ii. 337. 

 Ring of the asteroids perturbed bj 



Jupiter, i. 370. 

 Rings deta.ched from solar nebula, i. 361 



hoop -shaped and quoit - shaped, , L 



365. 

 Robespierre, ii. 482, 485. 

 Roman church, grandeur of its work, il 



21d. 



