82 



CRILE— PHYLOGENETIC ASSOCIATION 



[April 22, 



tions of life differences of opinion may lead to argument and argu- 

 ment to physical combats, even to the point of killing. Physical 

 violence of the savage and the brute still lies surprisingly near the 

 surface. 



There have now been presented some of the reasons based 

 largely on gross animal behavior why fear is to be regarded as a 



Fig, 3. The attitude and the facial expression represent anger, and the 

 integration of the entire body for a strong aggressive action shows the extent 

 to which the body of man has been evolved as a motor mechanism. From 

 " Outing." 



response to phylogenetic association of physical danger. I shall 

 now present some additional evidence in support of this hypothesis 

 from the clinical and the experimental side. Although there is not 

 convincing proof yet there is evidence that the effect of the stimulus 

 of fear upon the body without physical activity is more injurious 

 than .actual physical contest which results only in fatigue without 

 gross physical injury. It is well known that the soldier lying under 



