1198 AUTHOR INDEX 



878, 994; CO2 curves of aquatic plants, 892, 895, 897-898, 904; light curves of 

 Fontinalis, 967, 971 ; compensation points of algae, 983, 984. 



and coworkers : Interpretation of midday depression, 874. 



, Doring, B., and Simonis, W. : Photosynthesis of Elodea most efficient in light of the 



color in which it grew, 1168. 



, Filzer, P., and Lorenz, A.: Photosynthesis of desert plants, 997, 1001. 



Hartel, O.: CO2 supply through roots and midday depression, 910. 



Harris, D. G., and Zscheile, F. P.: Absorption spectrum of chlorophyll in different 

 solvents, 637-639, 643-645. See also Zschiele, F. P. 



Haxo, F. T., and Blinks, L. R.: Action spectra of red algae, 1180-1182; of Ulva (green 

 alga), 1152, 1181, 1182; oi Coilodes me (hrown alga), 1172, 1181, 1182; of blue- 

 green algae, 1183; drop of quantum yield of Ulva in far red, 1153, 1156. 



Heise, G. W. See Brown, W. H. 



Hendricks, R. H. See Thomas, M. D. 



Hendricks, S. B. See Warburg, O. 



Henrici, M. : Photosynthesis of mountain plants, 997. 



Herzfeld, K. F. See Franck, J. 



Hill, G. R. See Thomas, M. D. 



Holt, A. S. See Rabideau, G. S. 



Honert, T. H. van der: CO2 curves of Hormidium, 893, 895, 904; assimilation numbers 

 of Hormidium, 991. 



Hoover, W. H.: Photosynthesis in near ultraviolet, 1153; in far red, 1158; action 

 spectrum of photosynthesis in average light, 1162-1163. 



, Johnston, E. S., and Brackett, F. S. : Constant photosynthesis of land plants under 



constant conditions, 879; CO2 curves of wheat, 892, 896, 904; light curves of 

 wheat, 966, 970; linear range, 980. 



Hubert, B. : Absorption spectrum of different chlorophyll colloids, 649. 



Jaag, O. See Jaccard, P. 



Jaccard, P., and Jaag, O. : Variations of photosynthesis under constant conditions, 877. 



James, W. O., Enhancement of photosynthesis by bicarbonate a buffering effect?, 887; 



CO2 curves of aquatic plants, 892, 903. 

 Johnson, H. G., and Levring, T.: Photosynthesis of algae in near ultraviolet, 1153. 

 Johnston, E. S.: Photosynthesis in polarized light, 1147. See also Hoover, W. H. 

 Juday, C. See Manning, W. M. 



Kaempfert, W. See Schanderl, H. 



Kanitkar, U. K. See Dastur, R. H. 



Karrer, P., and Solmssen, V.: Absorption spectra of carotenoids from purple bacteria, 



656, 658. 



and Wi'irgler, E.: Absorption spectra of fucoxanthol and other carotenoids, 656, 



657, 661. 



Kasha, M. See Lewis, G. N. 



Katunsky, V. M.: CO2 fertilization, 902. 



Katsurai, T. See Svedberg, T. 



Katz, E.: Interpretation of light curves of fluorescence, 1077. See also Wassink, E. C. 



and Wassink, E. C. : Absorption spectra of chlorophyll in different solvents, 637- 



642; of colloidal chlorophyll-protein extracts, 653-656; of colloidal bacterio- 



