866 



INDEX 



Amidase, 20 j 

 Amino-acetic acid,~i70 • 

 Amino-acids as food, 151 

 Amitosis, 34 



bacteria, 88 



molds, 42 



protozoa, 125 



yeasts, 64 

 Ammonia, mechanism of, 323 



production of, 322 

 Ammonification, climatic conditions, 



323 



efficiency, 326 



efficiency of species, 326 



food, 150 



formation, 172 



influenced by, 326 



number of species involved, 325 



oxidation, 146, 174 



soil conditions, 325 



species involved, 325 



transformation, 323 

 Amoeba, 131 



buccalis, 497, 498 



coli, 502, 504, 822 



diplomitotica, 31 



dysenteriae, 503, 504, 822 



froschi, 31 



Umax, 24 



meleagridis, 824 



mucicola, 31, 32 



polypodia, 27, 125 



proteus, 144 



tetragena, 661 



terricola, 307 



vespertilio, 121 



See entamoeba also. 

 Amoebic dysentery, 822 

 Amygdalin^fermentation, 197 

 Amylase, 194 

 Amylobacter, 315 

 Amyloplastids, 20 

 Anabolism, 189 



theory of, 204 

 Anaerobes, 157 



facultative, 157 



Anaerobes, obligate, 157 

 Anaerobic activities in soil, 173, 294 



tank, 286 



wine, 512 

 Analysis of milk, 403 



of water, 265 

 Anaphase, 28 

 Anaphylaxis, 684 

 Anaplasmosis, 842 

 Animal carriers of disease, 667 

 Anisogomy, fertilization, 128 

 Antagonisms, 362 

 Antheridium, 38 

 Anthrax, common, 750 



symptomatic, 787 



vaccine, 570 

 Antiamboceptors, 706 

 Antiantibodies, 707 

 Antibacterial substances, 571 

 Antibiosis, 243 



Antibody formation, 683, 698 

 Anticomplement, 707 ' 

 Antidiphtheritic serum, 576 

 Antidysenteric serum, 581 

 Antigens, 587, 698 

 Antigonococcic serum, 580 

 Antirabic serum, 581 

 Antiprecipitation, 719 

 Antiseptics, 232 

 Antistreptococcic serum, 580 

 Antitoxin, discussion of, 699 



for diphtheria, 576 



manufacture of, 575 



mechanism, 702 



natural, 694 " 



neutralization by toxin, 702 



occurrence of, 698 



origin of, 698 



for tetanus, 579 



units of, 703 

 Archoplasm, 16 

 Arctia caja, 643 

 Arenicola ecaudata, 652 

 Aromatic substances, 177 

 Arrack, 72 

 Arsine, 175 



