42 



40 



38 



IN 



42 



40 - 



38" 



MAMMALIAN COLD ACCLIMATION 



T: 



•7 



LEPUS 



TAMi/kSCIURUS 



lit 



H 

 :: 



p 



-20 



-10 



iO 



20 



T^ IN "C 



Figure 15. Body temperatures of the snowshoe hare and the red squirrel at var- 

 ious environmental temperatures. Symbols as in Figure 14. 



233 



