APPENDIX. 



EPIZOOTIC. 



A specific epizootic fever of a low form con- 

 nected with inflammation of tbe respiratory, or 

 mucous membranes of the throat and lungs, and it 

 has prevailed from time to time in different parts 

 of the world choosing its victims from almost 

 every species of domestic animals from the swift 

 courser to the slow draft or cart-horse, on and 

 onward until from the most noble and useful it 

 attacks the domestic pets. But the horse (through 

 man's abuse) being the common prey to this 

 terrible disease he must naturally command our 

 principal attention. 



CAUSES : Almost innumerable are the causes 

 ascribed to this terrible malady, among the 

 principal of which are the following, as generally 

 set down, viz. peculiar conditions of soil and 

 climate, volcanic action, atmospheric electricity, 

 aerial moisture or dryness, density or levity 

 season, temperature, winds, calms, ozone and 

 antozone have been set down as its causes and 

 comparable with the thousend causes ascribed 

 to all the various maladies are but speculative at 

 best and really of but insignificant importance in 

 comparison with the remedies that are calculated 

 to cure this terrible disease. The terrible epizootic 

 of this country in 1872 was preceded and accom- 

 panied in Michigan by an excess of ozone, but 

 the same excess did not by any means control its 



