authors, although they are published in 

 the Spanish edition as a means of ma- 

 king the minds of argentine breeders 

 perfectly easy. In the course of this 

 publication the necessary reference to 

 them will be found, so as to facilitate 

 comparison with those carried out in 

 this country. The foreign reports and 

 investigations referred to, would be 

 out of place here, for two reasons; we 

 should offer other nations an incomplete 

 summary of their own labours,, and at 

 the same tive give an excessive extent 

 to a work such as this, the exclussive 

 object of which, is to diffuse the know- 

 ledge of the essentially Argentine ele- 

 ments of the matter, in order that out- 

 siders may form a clear opinion of the 

 real condition of our herds, regarding 

 tuberculosis. 



The method of investigation followed 

 is extremely simple and conclusive. It 

 was not a question of studying the etio- 

 logy of tuberculosis in accordance with 



