INFLAMMATION OF THE MOUTH. 21 



locally, such as the food an animal eats, the accidental intro- 

 duction of acrid plants into the mouth, &c. At others it is 

 a secondary affection, and dependent on a constitutional state; 

 the eruptions being then usually regarded as one of nature's 

 efforts to rid the system of deleterious principles. The aphthae 

 which Rammazzini describes as occurring in cattle that suffer 

 from contagious typhoid, or the Russian Plague, belong to the 

 secondary variety. In simple aphtha or thrush the symptoms 

 are purely local, and consist in difficult prehension of food, 

 salivation, and the presence of clusters of white vesicles on the 

 lips, cheeks, tongue> &c. Treatment consists in the use of a 

 mixture of equal parts of vinegar and honey, to which may 

 be added acetate of zinc in the proportion of half an ounce 

 to the pound. 



INFLAMMATION OF THE MOUTH, and, more especially 

 GLOSSITIS, or Inflammation of the tongue, may be observed 

 in any of our domestic animals, and especially as the result 

 of the incautious administration of medicine. A solution of 

 hartshorn is often given to cattle in hove, and turpentine is 

 very improperly administered to the horse in large and dan- 

 gerous doses, and both agents have occasionally given rise to 

 troublesome symptoms, by producing inflammation of the 

 mouth. The symptoms of inflammation are all present, 

 viz., heat, pain, redness, and swelling. The animal is 

 salivated, and experiences much general derangement. If 

 the tongue be more particularly the seat of the disease, it 

 is motionless, swollen, and sometimes protruded from the 

 mouth, which, being opened, gives to the animal a very pecu- 

 liar and anxious expression. In inflammation of the mouth 

 generally, or of the tongue, the epithelium, or scaly covering of 

 the membranous lining, peels off, and leads to a very sore and 

 raw aspect of the implicated parts. Ulceration may set in, or 

 the tongue and other -parts remain stiff, swollen, and indurated. 



