OPGAN THEBMOGENESIS 



10- 



5-^. 



GOLDEN HAMSTER -80 GMS. 



^^^^ 



I.I. I I L 



WHITE MOUSE 

 24 GMS. 



_l I L. 



J I L 



15- 



10 



5- 



COMMON VOLE -18 GMS. 



BANK VOLE - 18 GMS. 



\^ -.. *' 



:/M— k 



♦^*- 



\. 



K, 



J , \ 1 \ I L_ 





I . I ^ I I L 



10 20 30 10 20 30 



TEMPERATURE "C. 



Figure 2. Working and resting oxygen consumption at different temperatures 

 in various mammals. 



179 



