likely to cause accidents. It is quite easy to detect early frostbite on exposed parts, 

 such as the cheeks or nose, and to rewarm such areas merely with the fur on the 

 back of gloves without any damage or discomfort. 



Life in cold climates is perfectly tolerable once the rules are obeyed. 



References 



Hatcher, R. 1950. Personal Communication. 



Hatfield, S. and Pugh, L. G. C. E, 1951. Thermal Conductivity of Human Fat and Muscle. 

 Nature, LoncL, 168, 918. 



Mackworth, N. H. 1952. Cold Acclimatization and Finger Numbness. Medical Research 

 Council. Applied Psychology Research Unit Report, No. 173. 



Mackworth, N. H. 1953. ]■ Appl. Physiol. 5, 533. 



Mitchell, H.H., Glickman, N., Lambert, E.H., Keeton,, R. W. & Fahnestock, M. K. 1946. The 

 tolerance of man tocold as affected by dietary modification; carbohydrate versus fat and 

 the effect of the frequency of meals. Amer. J. Physiol., 146, 84-96. 



Scholander, P. F., Walters, V., Hock, R., & Irving, L. 1950. Body Insulation of Some Arctic 

 and Tropical Mammals and Birds. Biol. Bull., 99, 225. 



Scholander, P. F., Hock, R., Walters, V., Johnson, F. & Irving, L. 1950. Heat Regulation in 

 Some Arctic and Tropical Mammals and Birds. Biol. Bull., 99, 237. 



Scholander, P. F., Hock, R., Walters, V. & Irving, L. 1950. Adaptation to Cold in Arctic and 

 Tropical Mammals and Birds in relation to Body Temperature, Insulation and B.M.R. 

 Biol. Bull., 99, 259. 



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