INDEX 119 



T 

 Temperature 



body, factors influencing 18 



body, nervous control of 54, 63, 84 



fluctuations 80 



metabolism, influence on 50 



of modem earth 6 



of primitive earth 14 



Temperature gradients 20, 60 



Temperature regulation 35, 56, 94 



Temperature sense 65 



Thermal gradients 20, 60 



Thermogenesis 56 



Thermolysis 56, 58 



Thermotaxis 56 



Tolerance to temperature changes 25, 26 



Torpidity 25 



Tropical oceans 2 



Tropics 98 



Tunnies 10 



V 

 Vertebrates, origin of 10 



W 



Warm springs 2 



Water 22, 60, 62, 97 



Water vapor in regulation of climate 7 



Wind 21, 60, 97 



