TypJioid Fever in Pigs. 



481 



or less upon the testimony of unscientific persons, I must" speak with 

 more reserve. But if the information which has reached me can be 

 relied upon, there are two points of very great importance in the 



Fig. 3. — Portion of Large Intestine. Stage of Ketrogrcssiion and commencing Repair. 



natural history of the disorder ; the first, that it is virulently conta- 

 gious ; the second, that it is quite peculiar to the pig. I have heard 

 of instances where it has swept away all the pigs in the homestead ; 

 yet no other creatm-e on the farm, whether man or beast, suffered 

 in the slightest way. So that it really seems to be a disorder j)eculiar 

 to the pig. This I need scarcely say is a fact of very great scientific 

 interest. 



2 I 2 



