424 



Comparative Animal Physiology 



values of Qio ranging from 1.04 to 1.07 over a temperature range of 15 to 



25° C. 



The effect of temperature on the retinal response^*^^ was measured m a 



V/'/c/ZV 



«() K «. *0 >. "> 



«— r 



« rv. <0 <4 > 



»y/»'"//'V 



o o 



00 "b 



maximally dark-adapted animal (the grasshopper). Constant energy test 

 flashes were used and the resulting electrical response magnitude was re- 

 lated to temperature. In the temperature range of 15 to 25° C., temperature 

 coefficients were computed ranging from 1.10 to 1.38. The temperature co- 



