XL] 



BACILLUS : PATHOGENIC FORMS. 



101 



bacilli became free. In these respects, in the size, distribu- 

 tion, and character of the bacilli, there exists a remarkable 

 similarity between the nodules in leprosy and the nodules 

 just mentioned. 



Fio. 69. FROM A SECTION THROUGH A NODULE OF THE LIVER OF RHEA. 



1 . Cells of various sizes filled with minute bacilli ; owing to the smallness of tlte 



bacilli and to their being crowded in the cells and owing to the comparatively 



low magnifying power (300) the bacilli appear like dots. 



(Stained with fuchsiu and methyl-blue.) 



Fio. 70. Two CELLS OF THE LEPROSY (?) NODULES IN THE LIVER OF A 

 BIRD (RHEA). 



The cell substance is crowded with minute bacilli, similar to leprosy-bacilli. 

 Magnifying power 700. (Stained with magenta.) 



(j) Bacillus of malignant oedema (Koch), vibrion septtqiu, 

 (Pasteur). By inoculating mice, rabbits, and especially guinea- 

 pigs subcutaneously with a comparatively large quantity of 

 earth, or of putrid fluid, one occasionally produces death in 



