532 C. A. LAUBACH, J. L. RICE AND W. W. FORD 



LIST OF ILLUSTRATIONS 



Plate 1 



Fig. 53. Bacillus prausnitzii from dust. {Bacillus ramosus liquefaciens.) 

 Plain agar, 6 hours 



Fig. 54. Bacillus praursnitzii from dust. {Bacillus ramosus liquefaciens.) 

 Plain agar, 48 hours 



Plate 2 



Fig. 55. Bacillus mesentericus var. flavus from dust. Plain agar, 6 hours. 

 Fig. 56. Bacillus mesentericus var. flavus from dust. Glucose agar, 24 hours 



Plate 3 



Fig. 57. Bacillus mesentericus var. flavus from dust. Plain agar, 12 days 

 Fig. 58. Bacillus ruminatus from dust. Plain agar, 6 hours 



Plate 4 



Fig. 59. Bacillus ruminatus from dust. Plain agar, 16 days 

 Fig. 60. Bacillus panis from dust. {Bacillus mesentericus panis viscosi I.) 

 Plain agar, 6 hours 



Plate 5 



Fig. 61. Bacillus panis from dust. {Bacillus mesentericus panis viscosi I.) 

 Glucose agar, 48 hours 



Fig. 62. Bacillus panis from dust. {Bacillus mesentericus panis viscosi I) 

 Plain agar, 8 days 



Plate 6 



Fig. 63. Bacillus adhaerens from dust. Plain agar, 6 hours 

 Fig. 64. Bacillus adhaerens from dust. Plain agar, 5 days 



Plate 7 



Fig. 65. Bacillus suhtilis var. viscosus from water. Plain agar, 6 hours 

 Fig. 66. Bacillus suhtilis var. viscosus from water. Glucose agar, 3 days 



Plate 8 



Fig. 67. Bacillus suhtilis var, viscosus from water. Plain agar, 13 days 

 Fig. 68. Bacillus cereus var, fluorescens from water. Plain agar, 6 hours 



Plate 9 



Fig. 69. Bacillus cereus var. fluorescens from water. Plain agar, 24 hours 

 Fig. 70. Bacillus cereus var. fluorescens from water. Glucose agar, 24 hours 



