CHAPTER IX.

MENTAL PROCESSES IN ANIMALS: THEIR POWERS OF PERCEPTION AND INTELLIGENCE.

The two factors in phenomena 331 The basis in organic evolution 336 Perceptual construction in mammalia 338 Can animals analyze their constructs? 347 The generic difference between the minds of man and brute 350 Perceptual construction in other vertebrates 350 "Understanding" of words 354 Perceptual construction in the invertebrates 356 "The psychic life of micro-organisms" 360 The inferences of animals 361 Intelligent not rational 365 Use of words defined 372 Language and analysis 374