96 MICRO-ORGANISMS AND DISEASE. [CHAP. 



From these cultivations new cultivations may be made and 

 carried on through successive generations, all cultures behaving 



FIG. 60. FROM A SECTION THROUGH THE KIDNEY OF RABBIT DEAD OF SWINE 

 PLAGUK, SHOWING A MALPIGHIAN CORPUSCLE, THE CAPILLARIES OF THE 

 GLOMERULUS BEING TRANSFORMED INTO HYALINE IMPERMEABLE CYLINDERS. 



1. Bacilli. 

 Magnifying power 500. (Stained, with Spiller's purple.) 



FIG. 61. BLOOD OF FRESH SPLEEN OF A MOUSE THAT DIED OF SWINE PLAGUE 



1. Blood discs. 



2. A large nucleus. 



3. Groups of minute bacilli. 

 4. Long bacilli. 



5. Dumb-bells of bacilli. 

 Magnifying power 700. (Stained with gentian violet.) 



in the same manner; and in all of them the rods only are 

 present, and show exactly the same changes as in the parent 

 culture. 



