IRVING 



JOHANSEN: No, such a situation is unrealistic and has no 

 relevance to the situation. 



MORRISON: If you amputate the leg, you are going to lose less 

 heat from it. 



PROSSER: Also, there might be differences which would show 

 up in a population analysis that would not be of any measurable 

 advantage to an individual as such. However, they might be of impor- 

 tance to the whole population. 



174 



