A MODIFIED LE.SION 



Fig. 3. Large abscess in partially immunized rabbit caused by szvine- 

 plague bacteria. This rabbit lived ^ji days after its inoculation with viru- 

 lent swine plague bacteria. At death its weight was jgSo grains, the tumor 

 itself weighing goo grams. The abscess formed dorsad oj the peritoneum, 

 [a ) Caecum, (b) intestines, (c) abscess. The control rabbit of same weight 

 and age died of septicaemia in 16 hours. 



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