342 



carbonate, 65; chloride, 84, 117, 158, 159, 210 

 citrate, 93, 94; Chromate, 113; -magnesium 

 phosphate, 90, 91; molybdate, 91; nitrate, 46 

 phosphate, 46; phospho-molybdate, 91; sul 

 phate, 46, 48, 89. 96, 157-159; tartrate, 43 

 ammoniacal copper oxide, 15, 23, 25; ammo- 

 nium salts in general, 65, 67, 71, 72, 79, 96, 98 



Ampelopsis, 312, 313. 314 



Amygdalin. 165, 187, 188 



Amylase, 165 



Anaerobic cultures, etc., 79. 168, 182, 199, 208, 214, 

 222-226, 230, 258, 259; anaerobic respiration, 

 220-222 



Anesthesia, 204, 319 



Anatomical relations, of cell growth, 241-242 



Andes, 323 



Andre, see Berthelot and A. 



Andrews, on centrifuged cells, 299 



Andromeda, 97 



Anemone, 256 



Aniline dyes, 120, 271 



Anions, 189 



Antheridium, 332 



Anthocyanins, 21 



Anthrax, 182 



Anti-enzymes, 170 



Antiseptics, 57, 5S 



Antiserum, 331 



Antitoxins, alkaloids, and toxins, 181-183 



Antoni, see Büchner and A. 



Apogeotropism, 293 



Apparatus for the study of growth, 245 



Appert, on preserves, 53 



Appleman, on oxidase and catalase, 168 



Apporhegmas, 176 



Aquatics, 265 



Arabinose, 186 



Arbutin, 187 



Archegonium, 332 



Areca, 125 



Arginin, 160-162, 175, 177 



Arislolochia, 249 



Armstrong, Carbohydrates and glucosides, 186 



Arnaud, on carotin, etc., and on Cholesterin, 19 



Aroidea, 140, 218 



Arrhenius, on electrolytic dissociation, 118 



Arrow-head, 266 



Arsenic, 82 



Artari, on chlorophyll formation, 17; on physiology 

 of green algae, 14 



Artichoke, 88 



Arum, 250 



Ascending water current, 133, 146 



Ascomycetes, 331 



Ascospores, 44, 205 



Ash, of plants, etc., 82, 89, 142, 148, 190, 271; ash- 

 analysis, 88-90; microchemical, 90-91; ash- 

 constituents, absorption of, Pt. I, Chap. IV, 

 82-101; essential, importance of, 84-85; 

 non-essential, importance of, 85-88 



Askenasy, on ascent of sap, 143, 146; on growth, 

 249 



Aso, on lime in plants, 85 



Asparagin, xxviii, 69, 166, 170, 172, 175-177. 185- 

 191, 192, 215 



Aspergillus, 79, 87, 121, 123, 173, 211-213, 222 

 Aspirator, 136, 215, 216 



Assimilation, 33, 34, 65, 75. 190; of more carbon and 

 solar energy, by green plants, Pt. I, Chap. I, 

 1-39; of carbon, by green plants, importance 

 of, 1-2; of carbon and of energy, by plants 

 without chlorophyll, Pt. I, Chap. 11,42-61; 

 of energy, from organic compounds, by plants 

 without chlorophyll, 42-47; of energy, from 

 inorganic substances, by plants without chloro- 

 phyM, 47-5i; of nitrogen, Pt. I, Chap. Ill, 64- 

 79; of nitrogen compounds, by lower plants, 

 79; of atmospheric nitrogen, by bacteria, 77-79 



Atavistic structures, 302 



Atkins, on osmotic relations, 124, 167. (See also 

 Dixon and A.) 



Atmometer, 137 



Atmospheric moisture, 137, 263, 272; pressure, 35, 

 146, 258; internal atmosphere, 109; atmos- 

 pheric gases, influence of, on growth and con- 

 figuration, 260-263 



A triplex, 141 



Atwater, on ammonia assimilation, 65 



Autoclave, 57 



Auto-digestion, 166, 187, 188; auto-fermentation, 

 202; auto-oxidation, 183 



Autolysis, see auto-digestion. 



Autonomic movements of variation, 316 



Autumn colors, of leaves, 16 



Avena (see also oat,), 159 



Avogadro's principle, 1, 117 



Auxanometer, 245 



Babcock, on metabolic water, 189, 217 



Bach, A., on photosynthesis, 31; on oxidases, 167; 

 on reduction enzymes, 168; B. and Batelli on 

 decomposition of carbohydrates in animals, 

 225; B. and Chodat, on oxidases, etc., 167 

 (See also Chodat and B.) 



Bach, H., on geotropism, 292 



Bacillus anthracis, 58, 182. 292; lactici acidi, 209; 

 oligocarbophilus, 50; pantotrophus, 50; ramosus, 

 70; subtilis, 299, 300; tetani, 182; thermophilus, 

 254 



Bacteria, 42, 43, 50, 121, 169. 170, 182, 208, 231; 

 acetic acid, 259; butyric acid, 259; hydrogen, 

 50, 51; methane, 231; sulphur, 50; colored, not 

 killed by light, 292; colorless, killed by light, 

 291; as oxygen indicator, 23; nitrifying, 47, 48, 

 50, 51; purple, 292; of soil, 67-69, 78, 79, 98; 

 of root tubercles, 77; temperature limits of, 

 254; assimilation of free nitrogen by, 78, 79; 

 bacterial membranes, 230 



Bacterioids, of root tubercles, 75, 76, 77 



Bacterium aceti, 230; coli commune, 209, 292; kuet- 

 zingianum, 250; pasteurianum, 230, 255; radi- 

 cola, 76, 77; xylinum, 231; various species, 209 



Baeyer, on photosynthesis, 29, 30 



Baker, on effects of formaldehyde, 3° 



Bakke, on transpiring power, 137 



Balanophorce, 47 



Ballner, on complementary reactions of plant 

 proteins, 331 



Bamboo, 32, 179 



Bang, on lipoids, 183, 184 



Bangia, 38 



Baranetsky, see Baranetskii. 



