OF THE OX. 85 



of the functional derangements, and of the 

 alterations observed in bodies after death. 



I wish particularly to say at once, in en- 

 tering upon the subject of etiology, that 

 the special works which treat of it contain 

 precise information as to the causes and 

 origin of the typhus in horned cattle ; and 

 that the chief organs of the press in every 

 country those ephemeral encyclopedias in 

 which unfortunately so much vital force and 

 intelligence are dissipated have published ar- 

 ticles of the highest interest on this subject. 

 It would be physically impossible for me to 

 begin again a bibliographical labour similar to 

 the one exhibited in the First Part, in order to 

 afford due justice to each of these public writers, 

 who have met the epizootia on the confines of 

 their country and fought hand to hand with it. 

 This work is not susceptible of so much en- 

 largement. Let it be well understood, that I 

 claim no other merit than that of discussing 

 these questions of etiology, in that order and 

 with that common sense which fix ideas firmly 

 in the mind which, if I may use the term, 

 photograph them on those parts of the brain 

 allotted to the memory and judgment ; also of 



