INDEX 



nomena, liii, I. 255. See also 



God. 

 Precession of the equinoxes, 2. 171. 

 Preestablished harmony, I. 34, 191, 



233- 



Preformation, theory of, 2. 398, 



Prevision, quantitative and qualitative, 

 I. 47 ; and modification of phe- 

 nomena, 3, 249. 



Primitive man, 3. 307, 317, 323. 

 See also Clan. 



Proctor, R. A., solar spots, 1. 162 n.; 

 aspect of Saturn, 2. 282 ; the 

 moon, 284 n. 



Progress, misunderstood, 3. 282 ; 

 is contingent and partial, 285 ; 

 not universal, 286 ; the prime 

 phenomenon to be investigated, 

 287 ; factors of, 289 ; altruism 

 the chief factor in, 295, 298 ; 

 advanced through political develop- 

 ment, 299 j and heterogeneity of 

 environment, 313 ; law of, 328, 

 334; moral and intellectual ele- 

 ments in, 355 ; conditions of, 

 Ixxiii, 4. 3-45 ; of primitive 

 man, 55. 



Proklos, I. 33. 



Protective spirit, and social progress, 



3- 339- 



Protists, Haeckel's kingdom of, 2. 

 388. 



Protoplasm, origin of, 2. 365. 



Psychical life, 3, 128. 



Psychical shocks, 3. 179-191 ; and 

 nervous shock, 4. 280. 



Psychogeny, 2. 53. 



Psychology, and metaphysics, I. 172, 

 3. 118; and biology, 106, 109, 

 114, 120, 140 ; early history of, 

 107 ; and nervous physiology, 

 III ; province of, 111-114; the 

 problem of, 118. 



Pterodactyls and birds, 3. 74, 84. 



Punic wars, 3. 366. 



Pyrrho, i. 33 n. 



Quantitative and qualitative reasoning, Robespierre, 4. 335. 



3. 152. Roman church, 3. 321, 326. 



Question restated, Ixxxix, 4. 165- 



185. 



Rattlesnake, theory of its rattles, 3. 



40. 

 Realism, I, 97, 180. 

 Reality, i. 104, 127. 

 Reasoning, and classification, I. 45, 



3. 154; and perception, 161 ; 

 genesis of, 228. 



Recognition in cognition, i, 17, 39, 



3- 14s, 156. 

 Redi, Francesco, on wine, 2. 334, 



343- 



Redistribution, 2. 185, 189, 206. 



Reflex action, 3. 218, 219. 



Regret and remorse, 4. 140. 



Reid, Thomas, I. 108, 11 3-1 1 5. 



Relative truth, criterion of, I. 103. 



Relativity of knowledge, xlv, i. 3— 

 30 ; canon of, 13 ; full meaning 

 of the doctrine, 132; misunder- 

 stood by Comte, 2. 112. 



Religion, primitive, i. 264-268, 4. 

 299 ; as adjustment, xcviii, cix, 



4. 178, 291-320 ; its relation to 

 ethics, 153, 292; morahty and, 

 178, 310; defined, c, 4. 358; 

 so-called conflict between science 

 and, xiv, ex, I. 273, 4. 371. 



Reminiscence and perception, I. 



147, 148. 

 Renan, J. E., 3. 48, 4. 182 n. 

 Repentance, 4. 309. 

 Representativeness, importance as an 



intellectual faculty, 4. 86 ; as a 



moral faculty, 148. 

 Reptiles and birds, relation between, 



3- 73- 



Rhythm, 2. 163-186 ; and redistri- 

 bution, 182; universality of its 

 law, 170 ; astronomic, 163, 171 ; 

 geologic, 173 ; in organic mat- 

 ter, 175. 



Right and wrong, 4. 123, 311. 



Rigidity of the mind of a savage, 4. 



386 



