390 



SUBJECT INDEX 



Chlorophyll a, 145, 342, 359, 360, 361, 371. 



physical properties, 340. 



absorptinn spectrum, 347. 

 Chlorophyll b. 145, 342, 359, 360, 361, 

 371. 



absorption spectrum, 347. 



physical properties, 346. 

 Chlorophyllase, 339, 359, 360, 361. 

 Chlorophyllid a, 359. 

 Chlorophyllid b, 359. 

 Chlorophyllin a, 339, 342. 

 Chlorophyllin-P, 339, 342. 

 Chlorophyllins, 356, 361. 

 Chloroplasts, 26, 118, 152, 172, 183, 185, 

 257, 279, 378. 



aggregation of, 162. 



chlorophyll in, 352, 381. 



inactivation, 138, 158, 160. 



isolated, 164, 230, 381. 



number, 379. 



orientation, 381. 



size, 380. 



structure, 380. 

 Chlorotic leaves, 151. 

 Chromatic adaptation, 113, 115. 

 Chromatograms, 339. 

 Chromous chloride, 241. 

 Citric acid. 261, 292, 297. 

 Coal, 24, 47, 51. 

 Cobalt sulfate, 172. 

 Coefficient of absorbtion, 143, 316, 317, 



327. 

 Compensation point, 100, 176. 

 Convolvulin, 194. 

 Copper sulfate, 172. 

 Corn, as fuel, 55. 

 Corona discharp-e, 301. 

 Cyanophyllin, 357. 

 Cyanoporphyrin, 357. 

 Cycloses, 203. 



Deserts, 59. 



Detached leaves, 249, 253, 325. 

 Diameter Law. 72, 74, 76. 

 Diastase, in leaves, 213. 

 Digitoxin. 188. 

 Digitoxose, 188. 

 Dioses, 187. 

 Dioxyaceton, 273. 

 Dioxymaleic acid, 261. 

 Dioxymethylene. 265, 272. 

 Dried leaves, 167, 311. 

 Drying of plants, 206, 209. 

 Dry weights. 



as measure of photosynthesis, 221, 252, 

 255. 

 Dye stufifs. 



formaldehyde from, in light, 305. 



Efficiency, photosynthetic, 101, 102, 112, 

 180, 324, 330, 331. 333, 336. 



Einstein law of photochemical eqtiiva- 

 lance, 331. 



Electricity. 



effect of, 175. 

 Electrolytic reduction of COs, 301. 

 Electrometric method, 251. 

 Endiols, 274, 276. 

 Energy. 



animate, 22. 



distribution of in solar spectrum, 108. 



inanimate, 22. 



of various wave lengths, 332. 



resources, 25. 



solar, 26, 27. 28, 31. ■ 



solar, converted by plant, 32, 33, 35. 



sources, 24, 51. 



stored by crop plants, 336. 



used in photosynthesis, 132, 271, 288, 

 315, 320, 326, 329. 

 Entropy, 23. 



Ether, effect of, 89, 171. 

 Ethylchlorophvllid a, 359. 

 Ethylchlorophyllid b, 359. 

 Etiolated leaves, 151, 166. 



Fatigue effects, 162, 166. 

 Fats. 



as product of photosynthesis, 220, 222. 

 Feeding experiments, 293, 297. 

 Ferric chloride, 172. 

 Ferric hydroxide, 279, 305, 307. 

 Ferro-oxalate, 300. 

 Ferrous sulfate, 172. 

 Food. 



supply of, 20, 59. 

 Formaldehyde, 93, 171. 



action of alkali on, 272, 279. 



action of sunlight on, 279. 



action of ultra violet light on, 280, 

 302, 303. 



as first product, 259, 262, 263, 267, 269, 

 374. 



feeding of, 294. 



from chlorophyll, 307. 



from dyes, ,305. 



in leaves, 289. 



tests for, 289, 291. 

 Formaldehvde peroxide, 283, 285, 372, 



376. 

 Formic acid, 170, 260, 261. 263, 266, 292, 



296, 297, 299, 300, 303. 

 Formose, 272, 278. 

 Fresh water. 



gases in, 41. 

 d-Fructose, 195, 203, 275. 



conversion to glucose, 219, 274. 

 Fruit skins, 152. 

 Fucose, 194. 

 Fucoxanthin, 345, 354. 

 Fuel, 22, 24. 



d-Galactose, 195, 202, 276. 

 i-Galactose, 196. 

 d-Galtose, 277. 

 Gas analysis apparatus, 243. 



