64 VETERINARY MEDICINE AND SUEGEKY. 



but it is often necessary to apply a strong blister of biniodide of mercury 

 three or four times in succession on the seat of the disease. 



Biniodide of mercury 1 fart. 



Lard 8 parts. 



Mix intimately. 



For a fortnight or three weeks give the horse twice a day of 



Iodide of potassium 3 i. 



The animal should remain in a loose box until all irritation has com- 

 j)letely passed away. 



When the horse is thoroughly convalescent, it should not be too hur- 

 riedly put to work, because the membrane of the windpipe and throat 

 will continue to be for some time very susceptible of irritation and in- 

 flammation. Great attention should also be given to the ventilation of 

 the stable. 



When the discharge from the nostrils continues for a length of time, 

 even after the horse has in other respects recovered, the case must be 

 treated as one of nasal gleet. 



BRONCHITIS. 



Synonyms. — Cold in the chest; Inflammation of the air passages. 



Definition. — Bronchitis consists in inflammation of the lining mem- 

 brane of the bronchial tubes. It may be acute or chronic. 



Etiology. — Bronchitis is generally caused by exposure to cold, and is 

 commonly the result of neglect of some kind — allowing cold air to blow 

 on the animal; letting him stand unblanketed in cold weather after hard 

 driving, or when wet. 



Symptoms. — Bronchitis usually commences with slight catarrh and 

 cough, and the horse is off his feed and a little feverish. At other times 

 there are no catarrhal symptoms, and the only noticeable sign is f everish- 

 ness and quickened breathing. This state of the breathing, if not care- 

 fully looked for, may easily escape observation. 



The first positive sign of bronchitis is indicated by quickened breath- 



