MAMMALIAN COLD ACCLIMATION 



METABOLISM 



BASAL MOO 



l200 



t«% 



1^ 



^. ^•.'ty ••'* 



ESKIMO DOG 



-w -JO 



20 30 10 



t • 



• • « 



20 30 



» • 



•t < 



TROPICAL RflCCOOM 



■10 -30 -20 -10 10 30 30 MO 



AIB. TEMPERATURE INCtR 



Figure 1. Effect of environmental temperature on the metabolic rates in eskimo 

 dog, arctic lemming, and tropical raccoon, expressed in terms of basal metabolic 

 rate = 100. From Scholander et al 1950. 



205 



