722 



INDEX OF SUBJECTS 



Agglutinins, concentrated, failure of, to 



produce agglutination, 235 

 diluted, agglutination reaction with, 



235 



effect of heat on, 232 

 experimentation with, 231 

 in agglutination reaction, chief or im- 

 mune, 234 

 major, 234 

 minor, 234 

 partial, 234 



in serum of glanders, 535 

 in staphylococcus immune sera, 331 

 nature of, 231 

 normal, 232 

 partial absorption method in study 



of, 234 

 production of, 232 



in sera of animals, by injection of 



bacteria, 233 

 of culture extracts, 233 

 time of, 233 



reaction of. See Agglutination reaction 

 specificity of, 234 

 structure of (Ehrlich), 238 

 theoretical considerations concerning, 



238 



"thread-reaction" in, 231 

 Agglutinogen, 233 

 "Aggressin theory" of Bail, 292 

 arguments for, 292, 293 

 basic principles of, 292 

 opposition to, 293, 294, 314 

 Aggressins (Bail's theory), 293, 313 

 action of, 292 

 immunization with, 293 

 nature of, 293 

 occurrence of, 293 

 Air, bacteria in, 673 



dryness and high winds favorable 



to increase of, 683 

 estimation of numbers of, 684 

 occurrence of, in inhabited places, 



683 

 scarcity of, in places high above 



earth, 684 



settling of, with rain, snow, etc., 684 

 infectious material carried by, 684 



Alcohol, as fixative in staining, 110 

 Alcoholic fermentation, 51 



by yeasts, 52 



in milk, 684 



process of, 51 



Alcohols as disinfectants, 77 

 Alexin, 198 



action of, in blood serum, 224, 225 

 Alkali formation by bacteria, 166 

 Allantiasis, 477 

 AUergie, 302, 304 



Amboceptor and complement, quanti- 

 tative relationship between, 246 

 Amboceptors, filtration of, 245 



multiplicity of, in normal sera, 242 

 Amylase, 48 



action of, 49 



occurrence of, 49 



Amylolytic ferment. See Amylase 

 Anaerobic cultivation of bacteria, 148 



use of sterile tissue as an aid in, 156 



See also Cultivation of bacteria 

 Anaerobic organisms, facultative, 2v 



Gram-positive, in feces, 177 



infectiousness of, 183 



non-invasion of blood stream by, 

 183 



obligatory, 26 



respiratory processes of, 26 

 Anaphylatoxin, 304 

 Anaphylaxis, 295 



autopsy findings in, 299 



definition of, 297 



desensitization to, 300 



experimentation in, early, 295 



immunity after, 299 

 ^in diphtheria antitoxin injections, 296 



incubation during, 299 



inherited, 300 



observations in, fundamental, 296 

 by Arthus, 297 

 by Besredka, 298, 300 

 by Besredka and Steinhardt, 300 

 by Gay and Southard, 300 

 by Hericourt and Richet, 296 

 by Nicolle, 298, 300 

 by Otto, 297, 300 

 by Portier and Richet, 296 



