vi A MANUAL OF BACTERIOLOGY 



18. Effect of Light of Different Wave Lengths upon Bac- 



terial Growth 17 



19. Relation of Bacteria to Heat 17 



20. Relation of Bacteria to Concentration of Medium . . 17 



21. Effect op Drying upon Bacteria 18 



22. The Effect of Different Disinfectants . . . .18 



SECTION V. RELATIOiSr OF BACTERIA TO 

 BIOLOGICAL FACTORS 



23. Rate of Growth of Bacteria ... 19 



24. Chemotaxis . . .... . . . . . . . 19 



25. Arrangement of Bacteria with Respect to Each Other 20 



26. Production of Enzymes . . . . . 21 



SECTION VI. FUNDAMENTAL METHODS USED IN THE 

 CULTURE OF BACTERIA 



27. Inoculation of Cultures on Solid Media .... .21 



28. Inoculation of Cultures on Liquid Media ... . . 23 



29. Preparation of Milk fob Use as a Culture Medium . . 23 



30. Preparation of Litmus Milk . . 23 



31. Preparation of Litmus Whey .... . ... 23 



32. Preparation of Whey Agar ... . . . .23 



33. Preparation of Sugar Bouillon . . ... 24 



34. Preparation of Sugar Gelatin . . 24 



35. Preparation of Litmus-Lactose Gelatin or Agar . 24 



36. Preparation of Glucose-Formate Bouillon . . . 24 



37. Preparation of Dunham's Solution . ... 25 



38. Preparation op Phenol Bouillon .... .... 25 



39. Preparation of Lactose Bile fob Isolation of Intestinal 



Bacteria . . . . ... 25 



40. Preparation of Neutral Red Broth . . 25 



41. Preparation of MacConkey's Bile Salt Broth . . . 26 



42. Preparation of Modified Giltay and Aberson's Fluid 



FOB Denitrifying Organisms . . . . . . . 26 



43. Preparation of Iron Bouillon . . . . 26 



44. Preparation of Lead Bouillon . .... 26 



45. Preparation of Glycerin Bouillon . ... 27 



46. Preparation of van Delden's Solution 27 



47. Preparation of Potato Gelatin ... 27 



48. Preparation of Heyden-Nahrstofp Agar 27 



