INDEX 



381 



Impulse, 313, 325, 332 

 Induction, nervous, 30, 59, 64, 212 

 Inhibition, 28, 94, 210, 262 

 Insight, 63, 219, 237, 351 

 Instinct, 80, 98, 115, 127,331 

 Integration, 38, 46, 146, 283, 314, 



340, 35o> 364 

 Intelligence; see Consciousness 

 Introspection, 310, 341, 351 

 Inventiveness, 63^ 239, 245, 350 

 Irradiation, 56, 64, 66, 197 



Language, 19, 21, 290, 327, 337 



Learning: mechanism, 35, 41, 59, 

 62, 64, 98, 99, 143, 166, 178, 193, 

 236, 266; perceptual-motor, 41, 

 245; subcortical, 98, 169, 198, 

 203, 217; trial-and-error, 13, ^6, 

 41, 62, 166, 195 



Lobe: frontal, 220; pyriform, see 

 Cortex, pyriform 



Lungfishes, 72 



Macroscelides, 153 

 Mammals: cortex of, 70, 83, 150; 

 striatum of, 112; thalamus of. 



Marsupials; see Opossum, Orolestes 



Materialism, 298, 306 



Medulla oblongata, 55; primitive, 

 44 



Memory, 9, 11, 28, 99, 178, 193, 

 195, 241, 244, 246, 264, 316; 

 associative, 41, 54 



Midbrain, 47, 133 



Mind; see Consciousness 



Modifiability; see Behavior, modi- 

 fiable 



Monism, 305 



Morals, 22, 362 



Motor apparatus, 42, 227 

 Mouse, cortex of, 1 59 



Necessity, 362 



Necturus, 47 



Neopallium, 77, 86, loi, 108, 132, 



151, 165 

 Nerve cell; see Neuron 

 Nerves, 2, 12 

 Neurons: cortical, 70, 84, 243, 247; 



growth of, ^2; number of, 4; 



type I, 90; type II, 90, 317, 334 

 Nissl bodies, 320 

 Nucleus: caudatus, 102, 114; 



lentiformis, 103, 114; olfactory, 



102, 108, 132; preoptic, 137 

 Number: of blood corpuscles, 3; 



of cells in body, 3; of cells in 



brain, 4; in cerebral cortex, 4; 



of nervous connections, 5; of rods 



and cones, 5 



Opossum: cortex of, 84, 117, 154; 



striatum of, 116 

 Orolestes, 150 

 Orthogenesis, 100 



Palaeopallium, 151 



Pallium, 24, 151 



Pattern, 286, 320, 344, 350, 362 



Permeability, 57, 59, 61 



Personality, 18, 146, 318, 324, 351 



Phasic action of cortex, 120, 122, 

 213,223,261,316 



Phrenology, 248 



Pigeon, brain of, 95 



Plasticity of behavior; see Be- 

 havior, modifiable 



Prediction, 19, 327, 3:^^, 344, 359 



Proprioceptive adjustment, 30 



