260 



BRAIN AND SENSE-ORGANS. 



If thrown in the air, it flies for a distance. It swallows food 

 placed in its mouth, but would starve surrounded by food. 

 Placed on its back it will right itself, but it does not show the 

 usual degree of Intelligence and Will-power. 



"Experimentally, we learn that after the removal of the 

 cortex (gray matter) an intelligent animal is reduced to the 



Face Sensory ..._!V 

 Face Motions f^ 



Taste- 



/-.Spinal Cord 



1st Spinal Nerve 

 2d Spinal Nerve 



Fig. 82. Diagram of the Cranial Nerves and Sense Organs. 



state of a non-intelligent automaton, responding indeed to 

 stimuli, internal as well as external, but failing to interpret 

 the significance of present events in accordance with bygone 

 experience. A brainless dog is stupid ; he may see a bone in 

 front of his eyes without showing signs that he knows the 



