43. Serratia 106 



44. Proteus 108 



45. Salmonella 112 



46. Pasteurella 116 



47. Noguchia • 118 



48. Photobacterium 120 



49. Bacillus 124 



50. Clostridium 131 



51. Caulohacter 140 



52. Chromaiium 144 



53. Rhodopseudomonas 144 



54. Rhodospirillum 146 



55. Nocardia 146 



56. Borrelia 148 



57. Treponema 150 



58. Bartonella 152 



59. Selenomonas 154 



60. Caryophanon 156 



61. DuPage River Organism 158 



62. Appendix " 161 



Index 165 



