BACTERIOLOGY AND IMMUNITY 



Oxygen, efifect of on growth of bacteria, 96 

 on survival of bacteria, 2017 

 variation in requirement of, by bacteria, 

 360 

 Oxygen lack, effect of on antibody formation, 



1122 

 Oysters, 2031 

 Ozsena, 494, 1788 



Abel-Loewenberg bacillus in, 667 et seq. 

 bacUlus of Perez in, 494 

 Ozone, effect of on bacteria, 149 



Pahvant Valley fever. See Tularaemia 

 Pantothenic acid as bacterial vitamin, 67, 164 

 Pantoyltaurine, 164 

 Papillomatosis of rabbits, infectious, 1980 



oral, 1980 

 Paracholera vibrios, 520 

 Para-aminobenzene sulphonamide. See Sul- 



phanilamide 

 Para-aminobenzoic acid, as bacterial vitamin, 

 162 

 as antagonizer of sulphonamide com- 

 pounds, 161 

 Paracolon bacUli, 676, 715 



Salmonella antigens in, 715, 744 

 Vi antigen in, 715, 744 

 Para-influenza bacUli, 791 et seq. 

 Paralysis, bulbar due to pseudorabies virus, 

 1941 

 infectious, of guinea-pigs, 1932 

 Parameningococcus, 538 

 Para-Shiga bacilli. See Shigella 

 Paratyphoid fever. See Enteric fever 

 Parotitis, epidemic, 1952 

 Parrots, psittacosis in, 1872 



tuberculosis in, 427, 429, 1343 

 Paschen granules, 959, 1887 

 Passive anaphylaxis, 1140 



immunity. See Immunity, passive 

 Pasteur, 2 et seq. 

 Pasteurella, 767-784 



antigenic structure of, 773 

 biochemical reactions of, 772 

 classification and identification of, 778 

 colonial variants of, 769 

 cultural characteristics of, 769 

 differential characteristics of, tabulated. 



779 

 haemolytic group of, 778 

 in experimental epidemics, 1252-1259 

 metaboUsm of, 771 



organisms resembUng, in acute contagious 

 pneumonia of sheep, 779 

 in epidemic in mice, 779 

 pathogenicity of, 775 

 resistance of, 770 

 Salmonella antigens in, 703, 773 

 variations in virulence of, 775 

 Vi antigens in, 774 

 aviseptica, 767 et seq. 

 boviseptica, 767 

 bubaliseptica, 772 

 lepiseptica, 767, 770, 771 

 muriseptica, l&l 

 aviseptica, l&l 



Pasteurella pestis, 767 et seq., 780 



disease caused by, 775, 1627-1646 

 pseudotuberculosis, 767 et seq., 782 

 disease caused by, 777, 1649 

 motility of, 768 

 septica, 767 et seq., 778, 781 



diseases caused by, 777, 1646-1649 

 suiseptica, 767 

 vituliseptica, IQl 

 Pasteurellosis, 1646-1649 



experimental epidemics of in mice, 1254 

 experimental reproduction of in animals, 



777 

 of rats, 1639 

 Pasteurization of mUk, 1318, 1319, 1336, 1588, 



2048, 2051 

 Pathogenicity in identification of bacteria, 362 

 of various bacteria. See under individual 



bacterium 

 methods, use of in obtaining pure cultures, 

 356 

 Patulin, 177 

 Paul-Bunnell test, 1792 

 Paul's test in diagnosis of smallpox, 1888 

 Pemphigus neonatorum, 1492 

 Penatin, 178 



Penfold's hypothesis of lag, 84 

 Penicidin, 178 

 Penicillia, 175 

 PeniciUic acid, 178 

 PeniciUin, 175, 179-185 



acquired resistance of bacteria to, 180 

 action of in animal body, 184 

 assay of, 181 

 discovery of, 175 

 laboratory use of, 182 

 mode of action of, 182 

 range of activity of, 175, 180 

 use of in obtaining pure cultures, 356, 1664 

 PenicUhnase, 180 

 Peptone shock, 1144 



possible relation of histamine to, 1151 

 Perez's bacillus, 494 

 Periostitis, 1496 



Peritoneal cavity, experimental infections in, 

 1039 

 passage of bacteria from to blood stream, 

 1041 

 Peritonitis, 1498 



clostridial infections in, 1777 

 Peroxidases in bacterial metabolism, 48 

 Pertussis. See Whooping Cough and Haemo- 

 philus 

 Petit's bacillus, 899 

 Pfeijferella, 486-496 



antigenic structure of, 488 

 classification of, 490 

 group characters of, 486 

 pathogenicity of, 488 

 relation of to Actinobacillus, 490 

 mallei, 486 et seq., 490 



disease caused by, 1408-1415 

 whitmori, 486 et seq., 492 

 disease caused by, 1415 

 oxalate production by, 492-493 

 Pfeiffer's reaction, 192, 1425, 1806 

 pH, effect of on bacterial growth, 72 



