OF THE OX. 63 



of the markets, nor the most wretched feeding, 

 are sufficient to account for contagious typhus 

 among cattle ; that in addition to these causes, 

 it still requires, in order to produce and gene- 

 rate it among animals, a predisposition, and a 

 special aptitude, such as, hitherto at least, do 

 not appear to have been witnessed except in 

 the progeny of the steppes. 



The other professors of his fraternity have 

 submitted arguments to him, which to us 

 seem very rational; and we will endeavour 

 to do justice to them when we discuss the' 

 origin of the typhus which at this moment 

 is afflicting England. 



VI. 



These historical dissertations and specula- 

 tions on the subject of the bovine epizootia 

 certainly deserve to draw the attention of all 

 who feel an interest in the malady ; but how 

 insignificant they are compared with the con- 

 cluding facts which I have still to mention, 

 before I at length address myself to the con- 

 sideration of the epizootia which is now con- 

 suming our herds ! 



The indisputable fact that so terrible a dis- 



