CHAPTER II. 



Geographical distribution of Tuberculo- 

 sis. —Foci of contagion. —Ratio 

 between contagion and density of 

 Animal population. 



Tuberculosis in the Argentine Repu- 

 blic has gradually developed in ratio 

 to the density of animal population. 



The danger of its presence may be 

 considered of little or no importance in 

 the breeding districts:— Territories Na- 

 cionales de Santa Cruz, Chubut, Rio Ne- 

 gro, Neuquen. Pampa Central y Misiones 

 for the reason that the population of 

 bovines is rarely above 10 to 20 head 

 per square kilometer. 



Altho' in greater numerical proportion, 

 it is equally inoffensive and insignificant 

 in the provinces of Entre Rios, Corrien- 



