650 



INDEX 



Tuberculosis, organisms with which 

 it may be confused, 421 

 primary infection in, 410 

 susceptibility of animals, 420 

 vaccination against, 421 

 Tubes, Esmarch, 141 



fermentation, 200, 202 

 Tyndall, 24 



Typhoid fever, agglutination test, 

 488 

 bacillus of, 481-503. (-See 



bacillus typhosus.) 

 prophylactic vaccination in, 



499 

 vaccine in, preparation of, 501 

 water and, 493, 614 

 Widal's reaction in, 490 



U 



Unstained preparations, 192 



V 



Vaccination, bacterial, 265 



Vibrio Metchnikovi, 547 

 Schuylkilliensis, 553 



Vibrion septique, 589. {See Bacil- 

 lus edematis.) 



Viruses, ultra-microscopic, 243 



W 



Waldeyeb, 26 

 Water, bacteria, 55 



Water, bacteriological analysis of, 

 603 

 collection of .samples for, 617 

 colon bacteria, 607 

 counting colonies in, 620 

 apparatus, 621-624 

 interpretation of results, 



605, 608 

 objects of, 604 

 precautions in, 604, 607 

 qualitative, 609 



special methods, 613 

 quantitative, 615 



methods, 616-620 

 typhoid bacteria, 696-607 

 Weigert. 30 

 Weigert s doctrine, hyperplasia, 



280 

 Widal's reaction, 490 

 Wilde, 27 

 Wilfarth, 37 

 Wolffhugel's counting apparatus, 



621 

 Wurtz, litmus gelatin of, 129 



Xerosis bacillus, 472 



Ziehl's carbol-fuchsin solution, 



166 

 Zymogenic bacteria, 36 



