INDEX 



See also table of contents for general titles. 



Adsorption, 136 

 Air, liquid : 



effect upon protoplasm, 86, 



118, 154, 165-167 

 use in analysis, 40, 

 Allocyanidin, 252, 272 

 Anhydrous substances, 50 

 Antagonism: 



of acids and sodium chloride, 



130 



criteria of, 120-128 

 effect of dilution upon, 126 

 of ions, 110, 115, 120-131 

 measurement of, 120-131 

 of salts, 110, 115 

 Anthocyanidins, 253 



decomposition products, 271- 



273 



pure preparations, 271-273 

 Anthocyanin: 



of Ampelopsis hederacea, 278 

 of Antirrhinum majus, 268- 



270 

 correlation with carbohydrate 



content, 277, 281 

 with oxidase content. 



254-257, 260-267 

 with tannin content, 275- 



277 

 decolorization of, by acetone, 



274 



by alcohol, 257-260, 271 

 by alkali, 271-273 

 by leaf sap, 228 

 by phenyl hydrazine, 



274 



theories of, 257-260, 274 

 distribution in cell, 286-288 



Anthocyanin : 



factors influencing production 

 of 



carbohydrate content, 



281-286 

 humidity, 280 

 light, 279, 280 

 pathological conditions, 



281 



sugars, 280 



temperature, 279, 285 

 hypothetical chromogen of, 



255, 258, 278 

 Mendelian experiments on, 



254, 269 

 origin of, 251-253, 267-269, 



277-287 

 pure preparations of, 268, 



271-274 

 respiration during formation 



of, 284 

 Apigenin: 



in Antirrhinum varieties, 270 

 isomerism with pelargonidin, 



273 



reduction of, 253 

 structure of, 268 



Calcium: 



absorption of salts, 108, 110 



antagonism to sodium, 110, 



122-124, 130 

 Carbon dioxide: 



action in artificial ripening, 

 232 



effect on inhibitor, 227, 232 

 Centrifuge, use in obtaining tra- 



cheal sap, 190 



324 



