SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 95 



Table 2. — Data Used in the Calculation of the first Corrected Approximation 

 to the True Value of Photosynthesis at 4600 A 



Sum. 



249.7 



Table 3. — Corrected Values of Carbon Dioxide Absorption in 

 Different Wave-length Regions 



Small Christiansen filters 



