SUBJECT INDEX 



ABSORPTION, 245-249 



selective, by cells, 251, 304 

 Adrenalin, 245 



Adsorption, nature of, 309, 312 

 ^Esculin, action of emulsion on, 185, 222 

 Affinity, chemical, 167 



residual, 308 



Air, carbon dioxide in, 74, 75 



fixation of carbon and nitrogen, 

 99-114 



hydrogen peroxide in, 73 



nitrates and nitrites in, 72-77 



ozone in, 73 



purification of, 77 



Alcohol, as negative catalyst, 214 



heat of combustion of, 162 



toxic action of, 212 

 Algse, iron in, 59, 66 



- fresh-water, photo-synthesis in, 99- 

 114 



marine, nitrogen -fixing bacteria on, 

 122-124 



photo-synthesis in, 115-124 

 Alkalinity of sea-water, 115-122 

 Aluminium hydrates in photo-syn- 

 thesis, 67 



Amino-acids, 306 



Ammonium magnesium phosphate, 



crystallisation of, 235 

 Amphoteric nature of proteins, 320 

 Amygdalin, action of emulsion on, 185, 



223 



of invertase on, 223 

 Anemia, action of iron salts in, 332 

 Anesthetics, action of, 261, 263 



on heart, 303 



Aniline as negative catalyst, 214 

 Animal body, gaseous secretion in, 

 135, 136 



syntheses of fats in, 155, 156 

 Anticafalysts, 214 

 Anti-enzymes, 214 

 Antiferments, 214 



Antirennin, 216 



Antiseptics, action on enzymes and 



cells, 211-213 

 Antitoxins. 216, 221 

 Antitrypsin, 216 



Arbutin, action of emulsion on, 185, 222 

 Asper-jillu-s, nutrition of, 224 



Assimilation, carbon, 75, 99-114, 115 



122 



-nitrogen, 69-78, 99-114, 115-124 

 Atoxyl, action on trypanosomes, 332 

 Autocatalysis, 220-222 



LatiUus typhosus, 222 



Bacteria, action of sunlight on, 206 



influence of temperature on, 206 



nitrogen-fixing, 122-124' 

 Benedict's solution, 86 

 Beryllium chloride as catalyst, 83 

 Bile, action of secretin on secretion of, 



293 



Bimolecular reactions, 181 

 Biotic energy, 1-20 

 Blood, distribution of salts in, 323 



osmotic pressure in, 327 



oxyhaBmoglobin formation in, 256, 

 257, 310 



sugar in, 313 



Blood-supply to secreting glands, 272, 



Brassica, iron in, 58 



Bromine, reaction with hydrogen, 151 



Brucine as negative catalyst, 214 



Calcium bicarbonate in sea-water, 124 

 Cane sugar, action of invertase on, 

 185, 187, 196 



heat of formation, 162 

 Carbohydrates, absorption in the intes- 

 tine, 272 



action of light on, 92 



synthesis of, 85, 86 



union of proteins with, 314 

 Carbolic acid, toxic action of, 212 

 Carbon, fixation, 75, 99-114, 115-122 



dioxide, concentration needed for 

 respiration, 330, 331 



in air, 74, 75 



nutrition experiments with, 111- 



113 



relation to photo-synthesis, 29 



Caseinogen, action of trypsin on, 189 

 Catalysts, effect on chemical reactions, 



169-173 



for light energy, 39, 80, 83 



metallic, 228-231 



negative, 213, 214 



335 



