INDEX 



681 



Hemolytic reaction, 312 



system, 315 

 Henle, 21 

 Hiss' medium, 143 

 Hoffman, 23 



Holders for animals, 234-238 

 Hydrogen-ion concentration, 115 

 Hydrogen sulphide, test for, 224 

 Hypodermic needle, 241 



syringes, 244 



ILLUMINATION, dark-field, 207 

 Immune bodies, 303 

 Immunity, 277-311 



acquired, 280 



active, 281 



alien proteins, 299 



Behring and Kitasato on, 290 



Buchner on, 289 



Chauveau on, 286 



conclusions on, 305-311 



diverse reactions in, 302 



Ehrlich's side-chain theory, 300 

 receptors, 300 



"exhaustion" hypothesis, 287 



historic sketch of, 285 



Metchnikoff's doctrine, 287 



natural, 280 



Nuttall's work in, 288 



opsonic doctrine, 294 



passive, 281 



Pasteur's doctrine, 287 



Pfeiffer's reaction, 292 



phagocytosis, 287 



"retention" hypothesis, 287 



Roux and Yersin on, 290 



views on, 304-311 



Wright and Douglass on, 278 

 Immunology, beginnings, 28 

 Incubator, 157 

 Indicators, 119 

 Indol production, 221 



tests for, 222 

 Infection, 266 



mechanism of, 272, 309 



types of, 266-272 



views on, 309-311 

 Influenza, bacillus of, 424. See 



Bacillus influenzse. 



Influenza, filterable virus in, 425 

 historic outbreaks of, 424 

 pneumococci in, 425 

 streptococci in, 425 

 Inoculation methods, 232-254 

 eye, 247 

 lymphatics, 244 

 needles and syringes for, 241, 



244 



serous cavities, 245 

 subcutaneous, 232 

 vessels, 239 



Intracellular toxins, 46, 274 

 Involution, 68 



Isolation of bacteria in pure cul- 

 ture, 104-110 



of pathogenic organisms in the 

 sputum, 401 



KLEBS, 26, 27, 30 



Koch, 30 



Koch-Ehrlich aniline water solu- 

 tion, 178 



Koch's postulates, 440 

 safety burner, 159 

 sterilizer, 88 



LABORATORY outfit, 669-674 

 Lactose litmus,-agar, 142 

 Landois, 312 

 Leeuwenhoek, 17, 19 

 Lens, oil-immersion, 208 

 Leprosy, bacillus of, 448 

 Leptospira, ictero-hemorrhagiae, 

 631 



icteroides, 631 

 Letzerich, 27 

 Liebig, 28 

 Litmus gelatin of Wurtz, 142 



milk, growth of bacteria in, 138 

 Litmus- whey milk, 140 

 Loffler, 32 



Loffler's alkaline methylene-blue 

 solution, 178 



method of staining flagella, 187 



serum mixture, 143 

 Lukomsky, 27 

 Lysin, 299 



