OF THE OX. 89 



late with perfect regularity, and step by step, 

 the course taken by the contagion ; they 

 specify the time occupied on its passage, and 

 even the names of the infected vessels which 

 have thus imported the principle of the typhus. 



It must be admitted that all the facts thus 

 stated are indisputable; we acknowledge as 

 true, that the bovine race of the steppes has 

 conveyed into other countries the contagious 

 germs of the disease ; we admit that its dis- 

 semination may be thus accounted for. 



But to admit this fact, and to draw from it 

 the conclusion that the bovine race of the 

 steppes alone is capable, by some particular and 

 distinct organization, of developing the original 

 typhus of the ox, and that this typhus has no 

 other focus on the earth than the banks of the 

 Dnieper and the Don, does not appear to us a 

 sound logical deduction. And as, if this con- 

 clusion were positively recognised, we might 

 see but one side of the evil, and deduce very 

 serious consequences therefrom, it is necessary 

 to receive these facts for what they are worth, 

 and no more. 



Let us first observe, that those writers who 

 ascribe the contagious typhus to the race o 



