Fig. 36. Rabbit received 3 iii,mn. ot bovine B. tuberculosis intradermally and four 

 days later intravenous injection of 50 units of B. typhosus active principles. Note 

 hemorrhagic reaction at site of tuberculous lesion. 





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Fk;. 37. Rai)bit received 3 ingiu. ol boxiiic />'. luliciculosis iniiadcrniallv and three 

 days later intravenous injection of 50 units of B. typhosus active principles. Note 

 hemorrhagic reaction at site of tuberculous lesion. 



