6o6 



INDEX 



Altvater, 404. 



Aluminium, 437. 



Ainanita phalloides, 499. 



Amaryllis fonnosissima, slomata of, 191, 



192, 194. 

 Ambronn, 481 ; on optical properties, 82, 



S3- 



Amici, 190, 196. 



Amides, accumulation of, 462 ; consumption 

 of, 457,459; estimation of, 458 ; forma- 

 tion of, 461 ; over-saturated solution of, 

 467, 468. 



Amido-valerianic acid, in etiolated seedlings, 

 465. 



Amm, 538, 562. 



Ammonia, production of by fungi, 391 ; by 

 seedlings, 463. 



Ammonium salts, preference of swamp 

 plants for, 404. 



Ampelopsis, response to contact, 13 ; A. 

 quinqitefolia, 265. 



Ampullae, as traps for insects, 379. 



Amthor, on ripening of cherries, 602. 



Amygdalin, 494. 



Amylodextrin, 78, 473. 



Amylose, 78, 473. 



Anaerobes, cultivation of, 535 ; maximal 

 percentage of oxygen for, 541, 542; 

 reducing action of, 549 ; sources of 

 energy in, 532 ; oxygen in, 549. 



Anaerobic metabolism, 533, 534. 



Anaerobiosis, history of, 534; methods of 

 demonstration, 535, Fig. 65, 66. 



Anaesthetics, influence of, on alcoholic fer- 

 mentation, 502, 564 ; - on bleeding, 

 264 ; - - on photosynthesis, 336, 339 ; 



- on respiration, 564 ; - - on resting 

 tubers, 564 ; - - on streaming of proto- 

 plasm, 569; --on translocation, 590; 



- on vital activity, 569. 

 Ananassa sativa, papain in, 509. 

 Anderson, 242. 



Anisotropy, 82, 83. 



Antliitriuin Hiigclii^ 159. 



Antitoxins, 514. 



Aplastic substances, 289, 445. 



Apocynaceae, ringing experiments on, 578. 



Apples, ripening of, 601. 



Arbutin, 491. 



Areboe, 563. 



Arendt, 277, 586 ; capillary ascent of water, 



277. 



Aristotle, 9, 367. 

 Armcria I'ltl^aris, 436. 

 Arnold, 308. 

 Arsenic, 438. 

 Arsenious acid, 438. 

 d'Arsonval, influence of carbon dioxide on 



bacteria, 565. 

 Arum maculatum, 197 ; A. italicum, 245, 



474 ; consumption of oxygen by, 525 ; 



production of heat by, 523. 

 Ascent of water, 222, 225. 



Aschoff, 420, 431 ; influence of chlorides on 

 production of tannin, 492. 



Ascophyllum, 182, 320. 



Ash constituents, non-essential, 434 ; re- 

 moval of from leaf, 585 ; translocation 

 of, 583. 



Askenasy, on ascent of water, 223, 224, 

 226 ; on pigments, 497. 



Asparagin, 457-9, 465 ; nutritive value of, 

 for fungi, 384. 



Aspartic aldehyde, 65. 



Aspergillus, 382-4, 389, 417, 426, 431, 528 ; 

 production of organic acid by, 486-8 ; 

 influence of temperature on, 562 ; 

 growth and fermentative activity of, 

 553 ; A. fumigatns, 387 ; A. niger, 

 366, 373, 375, 376, 404, 504, 554! ac- 

 commodation to concentrated solutions, 

 139, 140 ; assimilation of nitrogen by, 

 394 ; selective power of, 387 ; tempo- 

 rary anaerobiosis of, 536 ; A. oryzae, 

 507. 



Asphyxie, 336, 339. 



AspidiuiH, 337. 



Aspleninin nidus-avis, 159: A. serratum, 

 159. 



Assimilation, 290; of carbon dioxide, changes 

 of volume due to, 321, 322 ; composi- 

 tion of gas evolved, 322 ; by aquatic 

 plants, 331 ; Englemann's bacterium 

 method, 350, Fig. 53 ; equation for, 

 321; history and methods, 350 ; influ- 

 ence of temperature on, 337, 338, 

 Fig. 50 ; of light, 339 ; of different 

 rays, 342 ; of polarized and artificial 

 light, 352 ; of coloured sap on, 346 ; of 

 percentage of water, 338 ; of chloroform 

 and ether, 339; of oxygen, 339; of 

 accessory pigments, 343, 344, Fig. 51 ; 

 inhibition of, 335-7 ; products of, 317, 

 320-6 ; rays effective in, 346, 347 ; ratio 

 of, to respiration, 339 ; to carbohydrates 

 formed, 321 ; to light absorbed, 348 ; 

 secondary curve of, 343 ; theories of, 

 353 ; values for, 332. 



Astragalus^ 484. 



Atropa belladonna, 244. 



Atrophic substances, 445. 



Aubert, 182, 206, 209, 238, 239, 244, 250, 

 3 2 7-9. 357, 39, 529 ; action of light on 

 Crassulaceae, 206 ; specific respiratory 

 activity, 525 ; influence of moisture on 

 respiration, 565. 



Auto-assimilatory products, influence on 

 growth, 324, 325. 



Automorphic plants, 29. 



Automorphosis, 24. 



AutOparasitism, 366, 369. 



Autotrophic plants, 29, 364. 



Auxanographic method of Beyerinck, 386. 



Avedissian, 235. 



Avena sativa, influence of injury on helio- 

 tropism of, 19 ; stomataof, 193, Fig. 21. 



