392 



SUBJECT INDEX 



evolution of, 84, 85, 182, 227, 



228. 

 in sea-water, 41, 242. 

 in fresh water, 41, 242. 

 necessity of for photosynthesis, 17, 162, 



163, 165, 168, 169. 



Palladium, 299. 

 Pentosans, 189, 210, 215. 

 Pentoses, 189. 



methods of analysis, 189. 



quantitative determination, 192. 

 Percarbonic acid, 262. 

 Performic acid, 283. 

 Peroxide, 263, 281, 283, 285, 289, 372. 

 Perseitol, 204. 

 Petroleum, 22, 51, 55. 

 Phaeophorbids, 361. 

 Phseophytin a, 361. 

 Phenol, 297. 



Phloroglucin reaction, 190. 

 Phosphorus, 239. 

 Photocatalysts, 307. 

 Photochemical extinction, 328. . 

 Photodynamic effect, 353, 372. 

 Photo-electric effect, 353, 371. 

 Photosynthetic number, 146, 147, 148. 

 Photosvnthetic quotient, 87, 91, 92, 93, 



285". 

 Phycocyanin, 115, 116, 345. 

 Phycoervthrin, 115, 116, 345. 

 Phyllins; 357. 



Phylloporphyrin, 357, 358. 

 Phytochemical reduction, 198. 

 Phytochlorin e, 360, 361. 

 Phytol. 357, 359, 360. 

 Phytorhodin g, 360. 

 Pinoff reaction, 200, 201, 203. 

 Polarized light. 



effect on synthesis, 197. 

 Population and land, 58. 

 Porphorins, 357. 

 Potassium cyanide, 173, 287. 

 Propyl iodide, 264. 

 Proteins, 220, 312, 315, 380. 

 Pseudo-fructose, 274, 275. 

 Purple bacteria, 118. 

 Pvrogallic acid, 239. 

 Pyrrophyllin, 357, 361. 



Raffinose, 203, 205. 

 Relativity law, 106, 125. 

 Respiration. 



CO2 production. 49, 67, 131, 155. 



heat of, 131, 323. 



HNc, effect on, 180. 



post mortal, 312. 



quotient, 87, 91, 92. 



relation to photosvnthesis, 143, 147, 164, 

 168, 335. 

 1-Rhamnose, 194. 

 Rhodeose, 194. 

 Rhodophyllin, 357, 361. 



d-Ribose, 192. 

 Rosanalinc, 291. 



Saccharic acid, 262, 265. 



Sea water, gases in, 39. 41, 43, 45. 



hydrogen ion concentration of, 42, 44, 

 45. 

 Sedoheptose, 204. 

 Seliwanoff reaction, 201. 

 "Shade" plants, 102, 103, 115, 142. 

 Silent electric discharge, 300. 

 Sodium hyposulfite, 238. » 

 Solar constant, 30. 

 Solarization, 158. 

 Sorbose, 195, 203, 277, 280. 

 Starch. 



determination of, 208, 210. 



disappearance of, 213, 215. 



effect of accumulation of, 141, 159. 



formation of, 183, 184, 207, 210, 211, 

 298. 



iodine test, 207. 

 Stomata, 14, 62, 154. 



movements, 63. 



number, 63. 



size, 62, 67, 76. 

 Stomatic ratio, 65. 

 Stroma, 380. 



Succinic acid, 261, 292, 297. 

 .Sucrose, 205. 

 Sun spots, 31. 

 Sun-worshipers, 20. 



d-Tagatose, 277. 



d-Talose, 277. 



Tartaric acid, 261, 262. 266, 292, 297. 



Tartronic acid, 262. 



Temperature. 



effect of, 133, 140, 160, 178. 



high, 129. 



low, 129. 



leaf, 133. 

 Temperature coefficient, 136, 138, 139, 166, 



169, 335. 

 Tetroses, 188, 273. 

 Thermal emisivity, 130, 320. 

 Theories of photosynthesis, 258. 

 Time factor, 136. 141. 157. 166, 326. 

 Transpiration, 131, 133, 320, 321, 325, 



328. 

 Trees, 33. 

 Trehalose, 205. 

 Trioses, 187, 273. 



Ultra-violet light. 111, 117, 301, 303, 304. 



305. 

 Uranium, 305, 306, 307. 

 Urea. 297. 

 Urethanes, 169. 172. 



\ arcination. 15. 

 Variegated leaves, 152. 

 Vernin. 192. 



I 



