Chapter VII: The Senses of Animals

The primary object of sensation 243
Organic sensations and the muscular sense 244
Touch 245
The temperature-sense 249
Taste 250
Smell 257
Hearing 261
Sense of rotation or acceleration 269
Sight 273
Restatement of theory of colour-vision 278
Variation in the limits of colour-vision 281
The four types of "visual" organs 293
Problematical senses 294
Permanent possibilities of sensation 298

CHAPTER VIII.
MENTAL PROCESSES IN MAN.

The physiological aspect 302
The psychological aspect 304
Sensations: their localization, etc. 306
Perceptual construction 312
Conceptual analysis 321
Inferences perceptual and conceptual 328
Intelligence and reason 330