INFLAMMATORY FEVER. 515 



it lias operated, give tlie following medicine every day until 



the symptoms disappear : — 



Peruvian bark . . ^ ounce, 

 Nitre, powdered . 2 drachms, 



Salt of steel . 1 drachm, 



Camphor, powdered . 1 scruple ; 



to be administered in a quart of warm oatmeal-gruel. 



CHAPTER lY. 



OF FEBRILE DISEASES. 



INFLAMMATORY FEVER, 



Symptoms. — When cattle are seized with inflammatory 

 fever, they become abruptly stupid and inactive, hang 

 down their heads, seem to move with difficulty, and refuse 

 their ordinary food. Swellings become apparent on many 

 parts of the body ; and if these are pressed by the finger, a 

 crackling sound is heard to issue from them. In most in- 

 stances the joints are particularly affected; at other times 

 the shoulders, back, or belly are swollen. The disease is 

 generally rapid in its progress, and often proves fatal ; m 

 which case the animal generally dies suddenly, and soon 

 becomes putrescent. The disease sometimes terminates by a 

 collection of matter on the joints, and hence its absurd names, 

 joint felon, quarter evil, black quarter, black leg, do. 



Causes. — This malady was not known in Britain until 

 about ninety years ago, at which period it carried off a 

 fifth or even a fourth of the cattle between the first and 

 third year of age ; it, however, seldom or never attacked those 



