BACTERIOLOGY AND IMMUNITY 



Ehodococcus agilis, 627 



cinnabareus, 627 



rhodochrous, 626 



roseofulvus, 627 

 Riboflavin as bacterial vitamm, 66 

 Rickettsia, 928-937 



antigenic structure of, 933 



classification of, 937 



cultivation of, 931, 960 



diseases caused by, 1841-1862 



habitat of, 929 



metabolism of, 931 



morphology of, 930 



pathogenicity of, 933-936 



relation of to Proteus X, 1857 



resistance of, 932 



akamushi. See R. nipponica 



bovis, 937, 1862 



burneti, 929, 932, 936, 1850 



canis, 937, 1862 



conjunctivae, 936, 1862 



Conor i, 1848 



diaporica. See R. burneti 



melophagi, 929, 931 



mooseri, 929 et seq., 935, 1845 



nipponica, 929 et seq., 936, 1849 



orientalis. See R. nipponica 



ovina, 937, 1862 



pediculi, 929, 1852 



prowazeki, 647, 928 et seq., 934, 1841 et seq. 

 louse-borne type of, 934, 1841 

 murine type of. See R. mooseri 



quintana, 928, 936, 1851 



rickettsi, 929 et seq., 935, 1846 



rocha-limse, 936, 1844, 1852 



ruminantium, 929, 1862 



trachomatis, 1879 



tsutsugamushi. See R. nipponica 



wolhynica. See R. quintans 

 Rideal -Walker drop method of standardizing 



disinfectants, 146 

 Rieckenberg reaction. See Adhesion pheno- 

 menon 

 Rift VaUey Fever, 1959 

 Rinderpest, 1965. See also Chapter 55 

 Ringer's solution, 126 

 Ring-Impfung, 1907 

 Rivers, bacteria in, 2015 



self-purification of, 2020 

 Rocky Mountain spotted fever, 935, 1846 

 RodeUa's bacillus III. See Clostridium tertium 

 Rodent diseases, bacteriology of. See under 



Rats, Mice, Guinea-pigs, etc. 

 Rodent typhoid, 1600 



Rodents, plague in gerbiUes, ground squirrels, 

 field and multimammate mice, spermophiles 

 and tarbagans, 1637 

 Rolling disease, 947 



RoU-tube method of counting bacteria, 82 

 Romer's method of performing tuberculin re- 

 action, 1328 



of titrating diphtheria antitoxin, 1383 



of titrating diphtheria toxin, 1376, 1377 

 Rontgen rays, effect of on bacteria, 108 

 Rough variants of bacteria, 299 



mode of division of, 300 



salt-sensitivity of, 299 



Roughness in relation to antigenic structure, 



277, 283 

 Roup, 1895, 1896 

 Rous sarcoma of chickens, 1977 

 Rovida's tube. 353 

 RubeUa, 1952 

 Ruys' medium, 1528 



Sakushu fever, 1834 

 SaUva, 1986 



bactericidal activity of, 1021 

 normal flora of, 1986 

 Salivary calculi due to Actinomyces, 1272 



gland virus of guinea-pigs, 1943 

 Salmonella, 102r-l^b 



animal reservoirs of, 1598 



antigenic structure of, 710-719, 726-745 



antigenic types, fermentative varieties of, 



718 

 antigenic variation of. See also Variation 



a-^ phase, 279, 716 



artificial phase, 716 



H antigens, 716 



M antigen, 718 



O antigens, 717 



OH -> 0, 717 



smooth -> rough, 277, 717 



specific-group phase, 278, 716 



Vi antigen, 717 



X antigen, 718 

 bacteriophage method of typing of, 719, 



1548 

 biochemical activities of, 706, 718 

 chemical fractionation of, 280, 720, 724 

 composite antigens in, 712 



d, 712, 743. See Salm. gaminara 



v, vi, and xii, 712, 717 



7, 742. See Salm. carrau 

 cultural characters of, 704 

 genetic resistance to, 975 

 habitat of, 703 



in birds and animals, 1598-1601 

 in food poisoning, 1594-1604 

 in the tonsils, 1524, 1604 

 in typhoid fever. See Chapter 69 

 morphology of, 704 

 mucoid colonies of, 704, 705 

 nomenclature of, 702 

 pathogenicity of, 721, 1519 et seq., 1584, 



1596-1601 

 production of enterotoxic substances by, 



1607 

 resistance to heat and chemicals, 659, 705, 



1527, 1528 

 summarized description of diff'erent species 



of, 725-744 

 toxins of, 721, 723, 1595, 1607 

 Vi antigens in, 713-715, 717, 1525. See 



also Vi antigen 

 aherdeen, 709, 715, 741, 1597 

 abony, 101, 713, 727 

 abortus-bovis, 101, 713, 730 

 abortus-canis, 727. See Salm.. paratyphi B 

 abortus-equi, 707, 713, 730 

 abortus-ovis, 101, 713, 730 

 accra, 736. See Salm. dublin 

 adelaide, 709, 715, 744, 1597 



