CONTENTS 



CHAPTER II. STRUCTURE AND CONSTITUTION OF THE BACTERIAL 

 CELL. 



31. Chemical Composition of the Cell 



Wall 30 



32. Optical Properties of the Cell Wall 30 

 33. Zoogloea Formation . . . 31 

 34. Plasmolysis . . . .32 



35. Structure of the Cell Contents . 33 

 36. Elementary Composition of the 



Bacterial Cell .... 35 

 37. Quantitative and Qualitative Se- 

 lective Power . . . .36 



CHAPTER III. POWER OF INDEPENDENT MOVEMENT IN BACTERIA. 



38. Molecular Movement and Loco- 

 motion ..... 37 

 39. The Flagella or Cilia ... 37 



40. Histology of the Cilia 



41. Chemotaxis . 



CHAPTER IV. VEGETATIVE REPRODUCTION BY FISSION. 



42. Division in One Direction . . 42 

 43. Division in Two Directions . . 43 

 44. Division in Three Directions . 43 



45. Form of the Daughter-Cells . . 44 

 46. Division of the Nucleus . . 44 

 47. Rate of Reproduction . . -44 



CHAPTER V. THE PERMANENT (REPRODUCTIVE) FORMS OR SPORES. 



48. Formation of Endospores . . 46 



49. Alterations in the Form of the 



Mother-Cell . . . .46 



50. Number of Spores . . . .48 



51. Form and Size of the Spores . 49 



52. Conditions Influencing Spore For- 

 mation * . . . -49 



53. Resist ing Power of the Endospores 49 



54. Behaviour of the Endospores to- 

 wards Dyes . . . -50 



55. Arthrospores .. .. . .51 



CHAPTER VI. THE GERMINATION OF THE ENDOSPORE. 



56. First Type i 52 



57. Second Type 52 



58. Third Type S3 



59- Importance of this Process in the 



Classification of Bacteria . . 55 



Section II. General Biology and Classification of Bacteria. 



CHAPTER VII. THE BACTERIA UNDER THE INFLUENCE OF PHYSICAL 

 AGENCIES. 



60. Influence of Electricity . . 57 



61. Influence of Temperature Cold 



and Heat-loving Bacteria . 58 



62. Influence of Light Self-Purifica- 

 tion of Hirers .... 60 



63. Influence of Mechanical Shock, 



Gravity, and Gaseous Pressure 63 



