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of the organs and the tissues which are apparently 

 healthy or until such time as they assume a non 

 tuberculosis state. 



The second series also consists of 50 bovines 

 which will be subject to a different regime from 

 that of the first, they will be submitted to the 

 same ordeal -but one month later. The third series 

 will commence one month after the second consist- 

 ing of the same number of animals placed in a 

 different locality but will be submitted to the 

 same experiences. 



The fourth series will be composes of 30 head 

 of cattle of which 10 will be vaccinated simulta- 

 neously with those of the first series ten at the 

 same time as those of the second were vaccinated 

 and 10 together with those of the third. All these 

 animals will be preserved under ordinary circums- 

 tances and without coming tuberculinized. 



One year later ten of these animals will be tu- 

 berculinized and afterwards submitted to the con- 

 tamination test of the virulent bovine vacillus of 

 tuberculosis. 



The same experiment will be made on ten 

 others which have been vaccinated two years af- 

 ter the injection. Lastly the last ten will be em- 

 ployed under conditions at the end of three years. 



To facilitate the observations and investigations 

 the animals which are to receive the autopsy vfill 

 be transported to Buenos Aires. 



