2020 AUTHOR INDEX 



1908; isotope tracer technique for studying relation of respiration to photo- 

 synthesis, 1926. 



Weil, S. See Livingston, R. 



Weinberger, P. See Clendenning, K. A. 



Weiss, J. : Photosynthetic unit and grana, 1282. 



Weissbach, A., and Horecker, B. L.: Pentose carboxylase in leaf extracts, 1746. 



, Smyrniotis, P. Z., and Horecker, B. L.: Carboxylation of ribulose diphosphate to 



phosphoglj'ceric acid catalyzed by spinach juice, 1673. 



Weller, A.: Absorption spectrum of phase test intermediate, 1778. See also Livingston, 

 R. 



and Franck, J.: Effect of low frequency light alternations on photosynthesis attrib- 

 uted to CO2 supply, 1443-1444, 1474-1475; photosjoithesis in flashing light, 

 1448-1450; flash yield saturation, 1452-1453; cyanide effect on flash yield, 1455- 

 1458; temperature effect, 1460-1461. 



and Livingston, R.: Rate constants of ring V cleavage reaction in chlorophyll, 1780. 



Wessels, J. S. C: Time course and concentration dependence of Hill's reaction, 1599; 

 back reaction and maximum utilization of oxidants, 1599-1600: effect of chloro- 

 plast concentration on Hill's reaction, 1603-1609; kinetic theory of Hill's 

 reaction, 1605-1606; no inhibition of Hill's reaction by HCN, 1609; inhibition by 

 azide, 1610; inhibition by o-phenanthroline, 1611; inhibition by urethane, 1612; 

 inhibition by miscellaneous organic poisons and inorganic ions, 1613; vitamin 

 K— an intermediate H-accepter in photosynthesis, 1989. 



and Havinga, E.: 28 quinones, with different redox potentials compared as Hill 



oxidants, 1572; dyes with different potentials, 1575-1576. 



Whatley, F. R. See Arnon, D. I. ; Davenport, H. E. 



, Ordin, L., and Arnon, D. I.: Heavy metals, in chloroplasts, 1749. 



Whittingham, C. P. : Cyanide inhibition of photosynthesis, 1902. See also Briggs, G. E. ; 

 Brown, A. H.; Hill, R. 



, Nishimura, M. S., and Emerson, R.: Methodological criticism of quantum yield 



experiments, 1940. 



Wildman, S. G. See Bonner, J. 



and Bonner, J. : Auxin, polyphenol oxidase, dehydrogenases and other enzymes in 



spinach extracts, 1748. 



Wilhelmi, G. See Pirson, A. 



Williams, W. T. See Heath, O. V. S. 



Willstatter, R., and Stoll, A.: Temperature coefficient of photosynthesis, 1236, 1240, 

 1241; photosynthesis rate and [Chi], 1262; assimilation number and assimilation 

 time, 1263, 1264; light curves of green and a^irea leaves, 1265-1266; photo- 

 synthesis in etiolated leaves, 1267; in chlorotic plants, 1268; photosynthesis 

 inhibited after anabiosis, 1364. 



Wilson, A. T. See Bassham, J. A. 



Wilson, W. E. See Brown, H. T. 



Windsor, M. See Livingston, R. 



Wintermans, J. F. G. M. : Phosphate fixation in ChloreUa in light in the absence of COj, 

 1704. See also Wassink, E. C. 



Winterstein, A., and Schon, K.: Energy transfer in mixed crj^stals, 1310. 



Witt, H. T.: Effect of light on absorption spectra of algae, ix, 1860; transient absorp- 

 tion band of chlorophyll, 1971. 



Wohl, K.: Theory of activation energy of photosynthesis, 1252-1253. See also Gaffron, 

 H. 



