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tj> f?S 



CO ^O 



t-* to OJ 



s 



c^ 



-^ 00 ^0 



M hJ 



Cn3 fO 



ro 



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 en 





rs5 



to 



00 





Oi w 



to 





►^ 



9:53 



10:52 



11:52 



12:50 



1:50 



2:50 



3:50 



4:50 



5:50 



6:50 



7:50 



8:50 



4:32 



5:31 



6:30 



7:25 



8:20 



> 



*^ 



) 



TJ 



« 



s 



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Figure 7, Daily periodicity in Fouqu'uria. ^ = temperature of air in degrees Centigrade. -5 ^relative humidity, taken J^efore 

 each experiment. C= transpiration calculated to hourly periods, each space representing 100 milligrams. The time of each reading is given. 



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