PLATE IX. 



Bacillus Tuberculosis. 



FIG. 1. Section of miliary tubercle of lung; the tubercle 

 bacilli stained blue, and the cell nuclei brown. X 700. Koch 

 (from Mitth. a. d. k. Gsndhtsamte Vol. ii. Taf. I. Fig. 2). 



FIG. 2. Colonies of tubercle bacilli from surface culture. 

 X 700. Koch (op. cit. Taf. IX., Fig. 44). 



FIG. 3. Giant-cell containing tubercle bacilli, from a caseous 

 bronchial gland of a case of miliary tuberculosis. X 700. Koch 

 (op. cit. Taf. XI. Fig. 9). 



