AUTHOR INDEX 1205 



Stair, R., and Coblentz, W. W. : Infrared absorption spectrum of chlorophyll and phytol, 



610-612; of carotenoids, 656. 

 Stalfelt, M. G.: Closure of stomata as cause of midday depression, 875; CO2 diffusion 



through cuticle, 911; effect of partial closure of stomata on photosynthesis, 915- 



916; light curves of mosses, 966; of lichens, 967; compensation points, 982. 

 Stauffer, J. E. See Manning, W. M. 

 Steemann-Nielsen, E.: Utilization of bicarbonate by Myriophyllum, 888-890; CO2 



curves of Myriophyllum and Fontinalis, 893, 903; light curves of green and brown 



algae, 969; induction losses following reduction of light intensity, 1040. See also 



Gabrielsen, E. K. 

 Stefan, M. J.: Theory of diffusion from point source, 912-913. 

 Stern, A.: Typical porphin and chlorin spectra, 620. 



and Molvig, H.: Absorption spectrum of porphin, 620-622. 



, Molvig, H., and Dezelic, M.: Fluorescence of porphyrins and chlorins, 749-750. 



, Wenderlein, A., Molvig, H., and Pruckner, F.: Effect of substitutions on porphin 



spectrum, 621-629. 

 Stern, K.: Fluorescence of chlorophyll colloids, 775-776. 

 Stocker, O.: Rate of photosynthesis of tropical plants, 1001. 

 , Rehm, S., and Paetzold, I.: Fluctuation m photosynthesis and in CO2 content of 



air, 876-877; maximum rates of photosynthesis of leaves, 991. 

 Stokes, G. G.: Composite nature of chlorophyll deduced from fluorescence spectrum, 



740; discovery of leaf fluorescence, 805; fluorescence of pigments from red algae, 



759. 

 Stoll, A., and Wiedemann, E.: Fluorescence of colloidal leaf extracts, 777. See also 



Willstatter, R. 

 Strain, H. H.: Absorption spectra of leaf carotenoids, 656, 658, 660. See also Manning, 



W. M. 

 and Manning, W. M. : Absorption spectrum of chlorophyll c (chlorofucin), 614-615; 



light absorption by chlorophyll c in diatoms, 720-721. 

 , Manning, W. M., and Hardin, G.: Absorption spectra of carotenoids of brown 



algae, diatoms and dinofiagellates, 656-657, 659, 661. 

 Svedberg, T., and Katsurai, T.: Absorption spectra of phycobilins, 664-665. 



Tanada, T.: Absorption spectrum of diatoms, 699; relative band intensities in diatoms, 

 708, 710; distribution of light energy between pigments in diatoms, 726; quan- 

 tum yield in Navicula minima, 1097; action spectrum of N. minima, full activity 

 of fucoxanthol and chlorophyll c, 1173-1175. 



Terwood-Lad, D. See Franck, J. 



Thoday, D.: Midday depression of photosynthesis, 874. 



Thomas, J. B.: Action spectrum of photosynthesis of purple bacteria shows peaks be- 

 longing to bacteriochlorophyll and carotenoids, other than spirilloxanthol. 1188. 



Thomas, M. D., Hendricks, R. H., and Hill, G. R.: CO2 compensation point, 899. 



and Hill, G. R.: CO2 fertilization, 902. 



Timiriazev, K.: Maximum of photosynthesis coincides with maximum of chlorophyll 

 absorption, 1142-1143; coincides with maximum of solar spectrum?, 1143. 



Tonnelat, J.: Calorimetric measurement of photosynthesis, 854; calorimetric quantum 

 yield determinations with Chlorella, 1123-1124. 



