DISTANCE CEPTORS EMOTIONS 131 



Darwin's " Expression of the Emotions in Man and Animals." (From life by Mr. Wood.) 

 FIG. 13. CAT TERRIFIED BY DOG. 



Note the crouching position, the arched back, the erect hair, and ears 

 drawn closely back, the bared teeth and lifted paw every muscle tense and 

 ready for spring and attack. 



as characteristic of fatigue and exhaustion from emotion 

 as they are of fatigue and exhaustion from muscular 

 exertion. 



