INDEX 



783 



Identity test for antipneumococcic se- 

 rum, 591 

 Immune serum 



effect on dissociation, 139, 145-147 



effect on phagocytosis, 392 



from asses, cows, goats, 522 



from horses and rabbits, 416-418, 

 452-453, 593-595, 600 



growth of Pneumococcus in, 137, 

 139 



separation of antibodies, 418-419 



unit, 28, 568, 586-587 



various animals as source, 27 



See also Antipneumococcic serum, 

 production 

 Immune substances in sputum, 442 

 Immunity to Pneumococcus 



active. See Immunization, active 



agglutinins, 355-364 



antiblastic, 420-421 



antibodies. See Antibodies to Pneu- 

 mococcus 



antihemotoxin, 382-383 



antitoxin, 383-386 



artificially induced. See Immuniza- 

 tion, active 



bactericidins, 382 



clasmatocytes, 432 



complement-fixing antibodies, 380- 

 382 



heterophile antibodies, 387-388 



macrophages, 405, 432 



natural, in animals, 196, 427-433 



natural, in man, 433-437 



naturally induced in man, 437-443 



opsonins, normal, 393, 395-397 



passive immunity 

 in rabbits, 21 

 inherited, 446 



phagocytosis, 388-406 



polymorphonuclear leucocytes, 432 



precipitins, 365-379, 433 



protective antibodies, 407-420, 434, 

 436 



relation to allergy, 454-455 



result of infection in rabbits, 16 



tropins, normal, 393, 395-397 



See also Vaccinal immunity 



Immunization, active, to Pneumococ- 

 cus, 433-445 

 antibodies. See Antibodies to Pneu- 

 mococcus 

 antigens, kinds and methods of ad- 

 ministering. See Antigens 

 by vaccines 



in treatment of pneumonia, 503- 



506 

 prophylactic, 479-503 

 in pneumonia, 437-442 

 negative phase, 330, 342 

 unsolved problems, 617-618 

 See also Immunity 

 Immunogen, 483 



Immunological response to Pneumo- 

 coccus. See Host response 

 Impedin, as antiopsonin, 399 

 Influenza bacillus in lobar pneumonia, 



217 

 Inhalation 



in administration of antigen, 346- 



348 

 inoculation by, 183, 185, 190 

 Injection (s). See Antigens; Dermal 

 pneumonia in rabbits; Skin reac- 

 tions 

 Inoculum, effect in initiating growth, 



40 

 Inulase in Pneumococcus, 67 

 Inulin 

 action of variants on, 69 

 agar, 47 

 fermentation 

 by Pneumococcus, 47, 67, 68-69 

 by Streptococcus, 68, 69 

 serum water, 47, 69, 625-626 

 Invertase in Pneumococcus, 67 

 Isoelectric zone of protective anti- 

 body, 412, 416, 417, 550, 551, 552, 

 555 

 Isolation 

 of C Fraction, 636-637 

 of capsular polysaccharides, 637- 



640, 645-647 

 of pneumococcal protein, 242, 636 

 of Pneumococcus, 626-628 

 by animal inoculation, 35 



