612 



SUBJECT INDEX 



Aiitliiux bucteria, lelatiou of colony 



t>-pe to virulence of, 38 

 Anthropoid apes, blood group fac- 

 tors in, 176 

 Antiaggressins, 152 



measurement of, 202 

 Antianaphylaxis, 477 

 Antibacterial sera, causes of failure 



of, 283 

 Antibodies, ablastin, 152 

 absorption of, 210, 214 

 age and, 105 

 alpha lysins, 144, 146 

 anaphylactic sensitizers, 151 

 animal species and molecular 



weights, 197 

 antiaggressins, 152 

 antipolysaccharide, 196 

 antitoxins, 151 

 atoxyl-azo antigens and, 198 

 blood groups and, 105 

 Buchner's theory of, 197 

 cephalin in, 196 

 cold agglutinins, 184 

 comparison of, with reagin, 563 

 concentration of pneumococcal, 285, 



286 

 diagnosis, importance of, in, 379- 



400 

 difference in animal response to 

 polysaccharide Type I, 

 197 

 differences between rabbit and 



horse, 197 

 effect of dilution on adsorption of. 

 211 

 of temperature on isohemagglu- 

 tinins, 181, 183, 184 

 experimental streptococcus infec- 

 tion and, 129 

 explanation of, 194 

 Heidelberger 's method of separa- 

 tion of, 197 

 hemolysins, 148, 149 

 heterophile, 153, 154, 156, 185 

 importance of, in diagnosis, 379- 

 400 



irregular hemagglutination and, 



183 

 isopliile, 187 

 lecithin in, 196 

 lipoid differences in, 196 

 mammary secretions and, 109, 258 

 Manwaring's theory of, 197,' 198 

 measurement of agglutinins, 201 



of antiaggressins, 202 



of bacteriotropins, 202 



Antibodies, measurement of — Cont'd 

 of hemolysins, 202 

 of precipitins, 202 

 methods of measuring, 200, 204 

 natural, 137, 148 



and immune, 143-156 

 resistance and, 109 

 nature of, 193 



and origin of, 195, 196 

 of natural, 193 

 of sensitizing, 486 

 normal in chick embryos, 147 

 in kittens, 147 

 in young chicks, 147 

 rabbits, 147 

 opsonins and bacteriotropins, 152 

 origin of, 197, 198 

 peptic-digest method for, 309, 310 

 placental transfer of, 109, 561, 562 

 pneumococcal in infants, 194 

 precipitins, 151 

 relation of amount produced to 



antigen injected, 198 

 reticulo-endothelial system and, 



193, 194 

 serum fractions and, 195-197 



fractions containing, 196 

 side chain theory of, 197, 198 

 skin tests for, 397, 398 

 strychnine and, 348 

 substance of known constitution 



and, 332 

 variation during infection, 415 



in titer of, 414 

 water-soluble ones, 197 

 Antibody fractions, Goodner and 

 Horsf all's work on, 197 

 response, variation in animals to 

 Type I polysaccharide, 115 

 Antibody-globulins, 195, 196 

 denaturing of, 213 



Eagle's explanation, 199 

 Anticomplementary substance, 159, 

 160 

 titration protocol of bacterial anti- 

 gen, 407 

 Antigen and antibody, reasons for co- 

 existence of, 232 

 coexistence of, in the blood, 

 311, 313 



An^gen-antibody mechanism, Heidel- 

 berger and Kendall's the- 

 ory of, 212, 213 

 ratio, anaphylaxis and, 474 

 reactions, colloidal phenomena and, 

 253 

 factors in, 162 



