2088 



SUBJECT INDEX 



heavy. See Heainj water 

 imbibition effect, on fluorescence spectra 

 of leaves, 1880-81 

 on light absorption by leaves, 682- 

 83, 1843-44 

 isotopic composition in ocean, 10, 



1915-18 

 participation, in oxidation-reduction 

 reactions and photogalvanic effects, 

 76 

 in PS, 23, 57, 153, 289 

 photodecomposition in ultraviolet 



light, 71 

 preparation from photosynthetic oxy- 

 gen, 1916-18 

 as source of O2, in HR, 1530-31 



in PS, 54-55, 1916-17 

 thermodynamic constants, 283 

 Water factor, in PS. See Dehydration and 



Heavy water 

 Water oxidation, photochemical, in vitro, 

 69-78, 543 

 in PS, as dark reaction, 158, 163 

 in PS and PO, as primary photoprocess, 

 155-57, 161, 168 

 Water reduction, photochemical, in vitro, 



81, 272 

 Waxes, in leaves, 375 



Wilting, effect, on chloroplast activity, 

 1541 

 on leaf temperature, 1215-16 

 Wood-Werkman reaction, 1681 

 Wound hormones, effect on PS, 343 



X-rays, diffraction patterns, of Chi, BChl, 

 and Pheo crystals, 448-49, 1784-86 

 effect on Chi, 403 

 on CO2, 83 



Y 



Yellow dyes, reaction with Chi, 505 



Yellow leaf pigments, 401 



Yellow leaves. See Aurea leaves and 

 Autumnal leaves 



Yield. See under Hill's reaction, maximum 

 rate, maximum yield, flash yield, quan- 

 tum, yield; Photoreduction of CO2 by 

 bacteria, flash yield, quantum yield; 

 Photosynthesis, kinetics, maximum 

 rate, rate under natural conditions. 

 Also under Flash yield and Quantum 

 yield 



Z 



Zeaxanthol, 414, 415, 472 



absorption spectrum, 660-61 

 accumulation in autumn leaves, 415 



Zinc deficiency, effect on Chi formation, 

 1920 



Zinc ions, effect on PS, 341 



Zinc oxide, sensitization of H2O decom- 

 position, 72, 78 



Zinc porphyrin and chlorin complexes, 

 fluorescence in non-polar solvents, 

 1835 



Zinc tetraphenylchlorin, phosphorescence, 

 795 



Volume I, pp. 1-599; Volume II.l, pp. 601-1208; Volume II.2, pp. 1209-2088 



