Index 



795 



Guinea-pig serum, titration of, for 

 Wassermann reaction, 283 



Haffkine prophylactic in plague, SS7 

 Halogens as disinfectants, 178 

 Hands, disinfection of, 172, 174 



Lock wood's method, 174 

 Hanging block, Hill's, 145 



drop, 145 

 Hardening, 149 

 Harris' method of staining Negri 



bodies, 368 

 Harris and Shackell's treatment of 



hydrophobia, 378 

 Head lice, 503 

 Heidenhain's iron hematoxylin , stain 



for protozoa, 165 

 Heiman's method of cultivation of 



Micrococcus gonorrhoeae, 396 

 Helcosoma tropicum, 532, 533 

 Hemolysis, loi, 133 



technic of, 134 

 Hemolytic amboceptor, for Wasser-. 

 mann reaction, 284 

 serum for Wassermann reaction, 



titration of, 285 

 system, 286 



test of Wassermann reaction, 291 

 unit, 286 

 Hemorrhagin, 132 



Hen's eggs, use of, for anaerobic cul- 

 tures, 220 

 Herpes circinatus, 752 

 desquamans, 752 

 tonsurans, 752 

 Hesse's medium for plating Bacillus 

 typhosus, 610 

 method of making anaerobic cul- 

 tures, 219 

 of quantitative estimation of 

 bacteria in air, 234 

 Higher bacteria, 36 

 Hill's hanging block, 145 

 Hiss' inulin-serum-water test for de- 

 termining pneumococcus, 455 

 method of cultivation of Bacillus 

 typhosus, 607 

 of staining Diplococcus pneu- 

 moniae, 446 

 Hiss-Russell variety of. Bacillus dys- 

 enteric, 648 

 Histologic lesions in typhoid fever, 597 

 Histoplasma capsulatum, 534, S35 

 Histoplasmosis, 534 

 Historical introduction, 17 

 Hofmann, bacillus of, 429. See also 



Bacillus, pseiido-diphtheria 

 Hog-cholera, 625 

 Hogyes' treatment of hydrophobia, 



374, 378 

 Hospital gangrene, 329 

 Host, 66 



susceptibility of, 84. See also 5ms- 

 cepiibility 

 Hot-air sterilizer, 169 



Huhnercholera, 564 



Human malarial parasites, 478 



human inoculation with, 486 

 Hydrophobia, 363 

 diagnosis, 370 

 dumb, 372 



examination for Negri bodies, 371 

 histologic changes in nervous sys- 

 tem, 372 

 immunization against, 374 

 inoculation of rabbits, 371 

 pathology, 369 

 prophylaxis, 373 

 specific organism, 363 

 street virus, 372 

 treatment, 374 



Harris and ShackeU's inspissation 



method, 378 

 Hogyes attenuation method, 374 



dilution method, 378 

 intensive, scheme for, 378 

 mild, scheme for, 377 

 Pasteur's method, 96, 374, 377 

 specific, 380 

 tubercles of Babes in, 372 

 virulence, 372 

 Hypnococcus, 508 



Ice-cream poisoning, 247 



Ichthyotoxism, 248 



Identification of species of bacteria, 



230 

 Immune bodies, loi, 118 

 Immunity, 88 



active, 89 

 acquired, 91 



acquired, 91 



through infection, 91 

 accidental, gi 

 experimental, 92 

 through intoxication, 97 



against tetanus, 349 



Ehrlich's lateral-chain theory of , no 



exhaustion theory of, 105 



experimental investigation of prob- 

 lems of, 100 



explanation of, 105 



natural, 89 



passive, 89 

 acquired, 98 



relative, 89 



retention theory of, 105 



special phenomena of, 120 

 Imperfect fungi, 40 

 Increase of virulence, 80 

 Incubating oven, 213 

 Incubator for opsonic work, 276 

 Index, opsonic, 270 

 Indol, production of, 62 



Salkowski's test for, 62 

 Infantile kala-azar, 530 



palsy, 381 

 Infection, avenues of, 72, 82 



cardinal conditions of, 79 



definition of, 66 



