CHAPTER VI. 

 DISEASES OF THE RESPIRATORY ORGANS. 



1. Inflammation of the Lungs (Pneumonia). 



Inflammation of the lungs is often attended with pleu 

 risy, which condition is designated pleural pneumonia. 



It is commonly met with and often proves fatal, espe- 

 cially if following some other weakening disease, as it fre- 

 quently does. 



Causes. — Exposure to severe cold, especially if in a 

 weakened condition. Swimming in cold water in the spring 

 or fall, being clipped or washed and then exposed to cold, 

 sudden change of the weather or injury to the side may 

 account for it. 



Fig. 89. A Scotch Collie. Well Known as the Best of Sheep Dogs. 



Symptoms. — The most noticeable symptom is quick and 

 labored breathing — the inspiration full, the expiration short. 

 He sits most of the time with his head pushed forward. 

 When standing the front legs are spread apart. As the 



