INDEX. 



Abbe condenser, 133, 135 



Abrin, 83 



Abscess, 325, 336, 362, 364, 366, 370, 



374 384 



Accumulation method, 430 

 Acetic acid, 90, 96-103 



effect on growth, 81 



fermentation, 95, 96, 98 

 Acetification, no 

 Acetone, 100 

 Achorion, 316, 392, 414 

 Achromatic condenser, 133 



objective, 126 

 Acid, action of, 77 



dyes, 146 



products, 79, 90, 94, 241 



reaction, 90, 241 



resisting bacteria, 326-328 

 Actinomyces, 317, 416, 546 

 Adjustment, coarse and fine, 136 

 Aeration, action of, on toxins, 474 

 Aerobic bacteria, 68 

 Aerogenic bacteria, 92, 93 

 Agar-agar, 232 

 Agar, alkalization of, 238 



colonies on, 239 



filtration of, 236 



gelatin, 492, 494 



glycerin, 240 



inclined, 238 



peptonless, 240,284 



plates, 285 



preparation of, 235, 243 



roll-tubes, 239, 



sedimentation of, 236 



streak cultures, 238 

 Agglutination, 319, 505 



Testing of, 506 

 Air, 58, 64, 449 



action of, 76 



analysis of, 452 



bacteria in, 451 



city and country, 451, 452 



moulds in, 450 



yeasts in, 450 



Air, purification of, 451 

 Albumin, coagulation of, 72 



fixative, 536 



Albuminoid ammonia, 424 

 Albumose, 82, 83, 88 

 Alcohol, 79, 80, 91, 96-100, 402, 406, 

 410 



effect on growth, 81 



hardening with, 531 



effect on staining, 320, 533 

 Alcoholic fermentation, 95, 96, 102, 



120, 387 

 Aldehyde, 97 

 Algae, 117 

 Alkali, 89 



Alkaline reaction, 89-91 

 Alkalization of media, 154, 234, 238 

 Alkaloids, 89 

 Amid<o-acids, 91 

 Amines, 89-92, 94, in, 112 

 Ammonia, 89, 94, 96, 107-112, 424 

 Ammoniacal fermentation, 107, 424 

 Ammonium chloride, 496 

 Amoeba coli, 372 

 Amyl alcohol, 97 

 Amylolytic ferments, 86, 87 

 Anaerobic apparatus, 306-315 



bacilli, 70 



bacteria, 29, 35, 38, 68, 73, 92, 103, 



163, 298-304 

 culture of, 306 

 plate culture, 312 



micrococci, 70 

 Analytic products, 82 

 Angina, 332, 340, 366, 384 

 Anilin dyes, 146 



hydrochloride, 544 



water, 287 



fuchsin, 319 



gentian violet, 287 

 Animal ferments, 87 



parasites, 259 

 Animals, disposal of, 383 



cultures from, 278, 282, 283 



examination of, 274 



