INDEX. 779 



PAGE 



Pyocyanolysin 424 



Pijroplasma bovis; see Texas fever. 



Pyroplasma hominis; see Spotted Fever. 



Pyroplasmas, inheritance of 77 



Pyroplasmosis ; see Spotted fever and Texas fever. 



Rabies, See Hyrophobia. 



Radium, effect on venom 431 



Rats in epidemics of plague 486, 487 



Rattlesnake venom. 



Antiserum for, 431 : immunization with, 363. 



Ray fungus ; see Actinomyces 486, 487 



Receptors. 



Bacterial, 267 ; function of, 156, 200, 201 ; immunity, 

 relation to, 343 ; loss of, as cause of immunity, 

 403 ; multiplicity of, 200, 352 ; new formation of, 

 343, 349, 351 ; nutrition, relation to, 339 ; of first 

 order, 203, 344, 351 ; of second order, 228, 347, 

 351, 353 ; of the third order, 265, 347, 351 ; syno- 

 nym for side chain, 341 ; tetanophile receptors of 

 nervous tissue, 415 ; types of, 351 ; see different 

 antibodies. Recrudescences, 101 ; recurrences. 101. 



Relapsing fever 25, 642-646 



Agglutination test, 645 ; immunity and susceptibility, 

 644, 645; organism of, see Spirocheta obermeieri; 

 phagocytosis in, 644 ; prophylaxis, 644 ; serum prop- 

 erties, 645 ; serotherapy, 645 ; transmission of by 

 bedbugs, 643. 



Resistance, natural ; see Immunity, natural. 



Resorption. 



Of foreign cells, 309 ; of native cells, 308. 



Rheumatic fever 525-527 



Agonal invasions in, 525 ; antistreptococcus serum in, 

 535 ; bacillus of Achalme in, 525 ; diplococcus 

 (streptococcus) in. 526; experimental, 525. 526; 

 micro-organisms found in lesions, 525 ; staphylococ- 

 cus in, 525 ; streptococcus in, 520, 525, 526 ; 

 Zymotosis translucens, 525. 



Rhinitis. 



Meningococcus in, 559 ; pneumococcus in, 514 ; pri- 

 mary to meningitis, 558 ; staphylococcus in, 544 ; 

 Rhinitis fibrinosa, 400. 



Rhinoscleroma 572 



Ricin 21, 427 



Antiricin. 174 ; Ehrlich's use of iu studying nature of 

 antitoxic action, 345, 346 ; hemagglutiriin in, 218. 



Robin 427 



Rotheln, see German measles. 



Saccharomycosis hominis 635 



Salamander poison, antitoxin for 203 



Saprophytes 13 



In tetanus 411 



Sarcocystitis hominis; see Savcosporidia. 



Sarcosporidia. 



Morphology, occurrence and proliferation, 690, 691 ; 

 Sarcocystis hominis, 691. 



Scarlatina ; see Scarlet fever. 



Scarlet fever (scarlatina) 744-747 



Agglutination of streptococci by serum, 536, 537 ; con- 

 tagiousness, 745 ; Cyclaster scarlatinalis in, 744 ; 

 Diplococcus scarlatina, 26 ; leucocytes in, 746 ; 

 Micrococcus catarrhalis, 550 ; micro-organisms in, 

 745 ; prophylaxis, 745 ; protozoa in, 25, 744 ; re- 



