330 



W. J. CROZIER 



limit to the physiological temperature scale than there is a lower 

 one (Cameron and Brownlee, '13). On either side of the mini- 

 mum in "time for 10 pulsations" the curves are rather steep and 

 of exponential character, though this is obscured in the collected 



seo- 



2/0 



/Zo 



^ /SO 



\J 



^ /ao 

 ( 



■V^ /60 



'^ no 



k 



^ 130 



no 



100 

 80 



' I ' ' L I ' I ' I ' I ' ■ « I i I I ' I ' ' I ■ I 



35° C. 



24 



7err?JoerG Tu re . 



data (fig. 24) . The range of laboratory temperatures, obtained 

 from temperature measurements in connection with each experi- 

 ment, was from 24° to 27°, hence very httle, if any, comphca- 

 tion due to a temperature effect entered into the subsequent 

 experiments. 



