xviii LIST OF ILLUSTRATIONS 



No. PAGE 



19. Relative Distribution of Organisms in (iii) Milk before 



Separation, and Separator Bowl Sediment . . To face page 146 



20. Hyphomycetes (moulds) . . . . . „ „ 202 



21. Microphotographs ; B. tuberculosis; Perlsucht ; Staphy- 



lococcus ; Diplococcus . . . . „ „ 222 



22. Colonies of Acid-Fast Bacilli. Woodbury -type — Between pp. 234 and 235 



23. Power of Resistance of the ^. /^^^^rc'w^.yzj . . To face Page 252 



24. Colonies of Acid-Fast Bacilli from Butter (Korn I. 



and 11.) . . . . Chromo. „ „ 254 



25. Colonies of Acid-Fast Bacilli from Butter (Binot and 



Grassberger) .... Chromo. „ „ 256 



26. Microphotographs — Aroma Bacterium (Weigmann) ; 



B. butyricus (Hueppe) ; B. cyanogenes (Fliigge) ; 



B. erythrogenes (Grotenfeld) . . . • » » 394 



27. Microphotographs — Acid- Fast Bacillus from Butter 



(Petri-Rabinowitsch) and B. lactis niger (Gorini) . ,, „ 400 



28. Microphotographs — B. Friburgensis{Kaxw\.2Ln^\\^ . „ „ 418 



29. Acid-Fast Organisms from Milk and Butter ; Tube 



Cultures ......„„ 426 



30. Varieties oi B. tuberculosis ; Tube Cultures . . „ „ 432 



31. Microphotographs — Staphylococcus pyogenes aureus ; 



Streptococcus pyogenes; B. actinobacter ; Micro- 

 coccus Freudenreichii . . . . „ „ 443 



32. Microphotographs — Streptococcus scarlatina (Gordon) „ „ 445 



33. Microphotographs — Streptococcus scarlatina (Gordon) „ „ 446 



