PLATE 63. 

 Mycobacterium lacticola /? perrugosum. L. and N. 



I. Streak culture (glycerin-agar), two months old; 

 three days at 37, then at 22. Much elevated and wrinkled. 

 II. Plate culture (glycerin-agar), six days at 37. X 

 60. Superficial colony. . 



III. Plate culture (glycerin-agar), forty-eight hours at 

 37. X 60. Superficial colony. 



IV. Plate culture (glycerin-agar), three days at 37. 

 Natural size. Superficial colonies. Later the same were 

 larger, more wrinkled, and reddish. 



V. Potato culture, six days at 22. Later the same 

 became still more wrinkled. 



VI. Microscopic preparation. Glycerin-agar: (a) Three 

 days at 37. X 1000. Stained with fuchsin. (b) Two 

 months at 22. X 1000. Stained with fuchsin. 



VII. Microscopic preparation. Smear from the perito- 

 neal fluid of a guinea-pig, inoculated with butter. X 1000. 

 Stained with tubercle bacillus stain. (From a preparation 

 of Dr. Dieudonne.) 



Mycobacterium phlei. Lehm. and Neum. 



VIII. Streak culture (glycerin-agar), eight days at 22. 

 The culture at first is pale orange ; later, it becomes darker 

 and wrinkled. 



IX. Plate culture (glycerin-agar), three days at 22. 

 X 60. Superficial colony. 



X. Plate culture (glycerin-agar), eight days at 22. 

 X 60. Superficial colony. 



XI. Plate culture (glycerin-agar), eight days at 22. 

 Natural size. Superficial colonies. 



XII. Microscopic preparation. Glycerin-agar: (a) Three 

 days at 37. X 1000. Stained with fuchsin. (b) Two 

 months at 22. X 1000. Stained with fuchsin. 



