IRVING 



Figure 4. Temperature on skin of a young man accustomed to light clothing, 

 bare feet and hands. Figure 1, "Human Adaptation to Cold." Nature. 185(4713): 

 572-574. 1960. Macmillan and Co., St. Martins Street, London, W. C. 2. 



Figure 5. Temperature on skin of a young airman 

 accustomed to regular military clothing. Figure 2, 

 "Human Adaptation to Cold." Nature. 185(4713) :57 2- 

 574. 1960. 



142 



