i6o 



MICRO-ORGANISMS AND DISEASE. [CHAP. 



South America does not kill cattle, while it gives them a 

 transitory illness, and after this immunity for a time. 1 Again, 



FIG. 87. FROM A SECTION THROUGH THE KIDNEY OF A RABBIT DEAD OF 

 ANTHRAX. 



The capillaries of the cortex are naturally injected with the Bacillus anthracis. 



1. A glomerulus. 



2. Capillaries surrounding the convoluted uriniferous tubules not shown here. 



Magnifying power 450. (Spiller's purple. ) 



Pasteur's " vaccine," which as a rule (but not without 

 exception) does not kill sheep or cattle, is fatal to ro- 



1 Roy, Nature > December, 1883. 



