HART 



COLONIC TEMPERATURE "C 



ro 



OJ 



ML. 0, CONSUMED PER KG. 



1000 2000 3000 



Figure 7. Oxygen consumption and body temperature in muskrats in response to! 

 air and water temperatures. Summer animals are indicated by (•) and winter by (O). 

 From Hart, 1962, in press). 



214 



