INFLAMMATION OF THE LUNGS. 401 



bark. It is best treated by a seton in tbe throat, togetlier with 

 low diet and tlie alterative pill (1). 



Bi'onchocele is known by an enlargement (often to the size of 

 the fist) of the thyroid body placed just on each side of the wind- 

 pipe. If this does not press upon the air-passage, there is no in- 

 convenience ; but in course of time it has that ill effect, and the 

 dog becomes wheezy and short-winded. It is chiefly seen in 

 house pets, and may be relieved by the internal use of iodine (3), 

 given for weeks together. 



INFLAMMATION OF THE LUNGS. 



The organs of respiration consist of an external serous and an 

 internal mucous membrane, united together by a cellular tissue, 

 and each of these is the seat of a peculiar inflammation (pkiiris//, 

 pneumonia, and bronchitis), attended by different symptoms and 

 requiring a variation in the treatment. There is also, as in all 

 other inflammations, an aciffe and a chronic kind, so that here we 

 have six different inflammatory disorders of the contents of the 

 chest, besides heart disease and phthisis or consumption, which 

 last requires a separate notice. All the acute forms are attended 

 with severe sympathetic fever, and with a quick pulse ; but the 

 character of the latter varies a good deal. The chronic forms 

 have also some slight febrile symjDtoms ; but generally in propor- 

 tion to the acuteness is the amount of this attendant or sympa- 



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