INDEX. 



459 



Plants, mimicry in, 249 



Play, M. Le, 416, 417 



Pleasure, 95 



Plumage, 309, 317 



Poisonous snakes, 349 



Polarity, 345, 346 



Popular education, 406 



Portugal, 157 



Positively necessary propositions, 36, 

 42,50 



Possibility of certainty, 29 



Postscript, 422 



.Potential creation, 371, 431 



Power, 375 



of song, 325 



Prayer, 389 



Prejudices, 136, 321 



Preliminary truths, 8 



Preyer, Professor, 179, 287 



Primary knowledge, 17 



Primeval man, 88 



Principle of contradiction, 47 



Principles harmonizing with Evolu 

 tion, 433 



Pritchard, 416 



Proboscis, 339 



Profligacy and Agnosticism, 404 



Progress, 146 



Propositions, four orders of, 37 



Prototypal ideas, 275, 279 



Proverb, 133 



Psychology, an experimental science, 4 



Psychoses, 391 



Puerile hypotheses, 300 



Purity of intention, 403 



Purpose, 354, 358, 360, 364, 367, 

 375 



Qualities, secondary, 69 



Rambler, the, 445 

 Ratiocination, its validity, 49 

 Rational language, 82, 89 

 Realism transfigured, 57, 59 

 Reason, 193, 194, 197 

 and Christianity, 445 



Reason and failure of instinct, 235 

 and revelation, 422 



not blind like instinct, 235 

 Reasoning, 215 



and association, 50 



, its validity, 49 



Reflex action, 221, 228, 369 

 Eeid, 423 

 Relation, 48 

 Relations, 253 



of difference, 72 



of sequence, 70 



Relativity of knowledge, 6, 7 



of relations between feelings, 



69 



Relics of St. Augustin, 448 

 Religion, 135, 165, 362 



result of dislike of, 420 



Religious consolation, 392 

 Remarkable fallacy, 23 

 Renan, Ernest, 398 

 Responsibility of public teachers, 417 

 Results of introspection, 194 

 Retribution, 382 

 Retrieving, 104, 217 

 Retrogression, 146, 148, 153, 165 

 Revelation and Reason, 422 



and Theism, 427 



Reverence, 363 



Reversion, 175, 178 



Revival of sensism, 425 



Rewards and punishments, 382, 389, 



410 



Rhesus monkey, 308 

 Right, 95, 97 

 Rights, 380 

 Robebacher, 441 

 Rolleston, Prof., 101, 102 

 Royer-Collard, 423 

 Rupicola crocea, 312 

 Rush, 416 



Sacrifice, 145 



Sadness in religion, 389, 392 

 St. Augikstin, 232, 371, 435, 436, 

 438, 441, 447, 449 



