338 



SUBJECT INDEX 



Intestine, absorption of carbohydrates 

 in, 272 



absorption of fats in, 261, 272 

 Invertase, action on amygdalin, 223 



action on cane sugar, 185, 187, 192 



concentration and activity, 199 

 Iron, detection in plants, 61-65 



occurrence in plants, 53-68 

 - bacteria, 66, 81 



salts, action in anaemia, 331 



specific action of, 222 



treatment with, 257 



Irritability of living matter, 133 



Kidney cells, work of, 269, 270 

 Kidneys, blood-supply to, 273 



osmotic changes in, 136 



secretion pressure in, 249 

 "Kilner" jars, 105 

 Kinases, 216 



Laccase, action of manganese salts on, 



220 



Lachrymal glands, secretion in, 245 

 Lactose, action of emulsion on, 222 



heat of formation, 162 

 Lactuca sativa, iron in, 58 

 Law of mass action, 174 



Leaves, green, assimilation by, 69-78 

 Lecithin, 251 

 Lemna, iron in, 66 

 Lichens, iron in, 59 

 Life, origin of, 32-37 



of, and photo-synthesis, 38-52 



phasic character of, 1 



relation to light, 21 



Light, action on micro-organisms, 94-98 



action on nitrates, 69-78 



on organic compounds, 79-98 



on organic substances of bio- 

 chemical origin, 91-96 



blue, action on oils, 95 



as a purifier, 96 



relation to life, 21 



ultra-violet, action on formalde- 

 hyde, 83-91 



Light intensity, relation to photo- 

 synthesis, 30 

 Lipase, concentration and activity, 199 



syntheses of esters by, 155 

 Lipoids, 251, 317 



LjTnph, distribution of ions between 

 plasma and, 316 



Macallum test, 59, 60, 63 



Magnesium bicarbonate in sea-water, 



124 



Malaria, action of quinine in, 332 

 Maltase, fermentation of glucose by, 



154 

 Maltose, equilibrium of hydrolysis, 148, 



153 



Maltose, formation from glucose, 84 



heat of formation, 162 

 Manganese chloride as catalyst, 83 

 Mannite as negative catalyst, 214 

 Matter, living, chemical transforma- 

 tions in, 138-163 



energy transformations in, 125- 



137 



Mercury salts, action in syphilis, 331 

 Metabolism of living cells, 134, 243 

 Metallic oxides, action on hydrogen 



peroxide, 242 

 Metals, adsorption of gases by, 228, 309 



colloidal, 228-231 



heavy, oligodynamy of, 231 



solution in nitric acid, 221 

 Metal sols, 225-231 



Methyl alcohol as nutrient, 108-110 

 Micro-organisms, action of light on, 



94-98 



Milk, action of light on, 92 

 Molecular vibrations, theory of, 232 

 Monobutyrin, synthesis of, 155 

 Morphine as negative catalyst, 214 

 Moulds, iron in, 65 

 Mul liken' s test, 51 



Nerve, degeneration of, 315 



irritability of, 133 



fibres, infatigability of , 4, 8, 9 

 Nervous system, influence on secretion, 



274-288 



Nickel chloride as catalyst, 83 

 Nicotine as negative catalyst, 214 

 Nitrates, action of light on, 69-78 

 Nitric acid, action on silver-platinum 



alloys, 242 



solution of metals by, 221 

 Nitrites, detection of, 73 



formation and assimilation, 69-78 

 Nitrogen, fixation, 69-78, 99-114, 115- 



124 



oxides, nutrition experiments with, 

 111-113 



thermochemistry of, 71 



Oils, action of blue light on, 95 

 Oligodynamy of heavy metals, 231 

 Organic compounds, photo-synthesis 

 of, 79-98 



substances, action of light on, 91-H8 

 Organisms, living, primeval origin of, 



101 

 Osmosis in living cells, 135, 325-328 



with lecithin membranes, 251 

 Osmotic energy, 142 



equilibrium, 327 



pressure, variations of, 327, 328 

 Oxydases, 227 



Oxygen, concentration needed for 

 respiration, 329, 330 



production of, 235 



