222 SUBJECT INDEX 



Dosage, of lytic sera ..." 100 



Dyeing, analogous to antitoxin reaction. 30 



Electric charge, of agglutinins 43 



Electrolytes, in relation to agglutination 41 



Endotoxins, relation to infection 158 



Endotoxin theory, applied to anaphylaxis 145 



Epithelium, cytotoxin for 124 



serum against 85 



Fractional neutralization, in study of antitoxins 30 



Ferments, in leucocytes 162 



Globulin, antitoxic 18 



Group agglutination 44 



Gruber- Widal reaction 37 



Haemagglutinins 34 



Haemolysin, discovery of . . 52 



Haemorrhagin, of snake venom 138 



Haptins, definition of 16 



Haptophore group, nature of 7 



Heat, effect on serum 40, 96 



Hypersensitization, to serum 142 



Immediate reaction 145 



Immune bodies, site of production 86 



Immune body , . . . 64 



nature of 82 



Immunity, acquired 160 



hereditary transmission 160 



mechanism of 162 



natural, variations in 159 



relation of anaphylaxis to 163 



varieties of 158 



Immunization, active contrasted with passive 161 



active, methods of 171 



against diphtheria toxin. . .- 3 



with partially neutralized toxins 12 



