CHAPTER II. 



DISEASES OF THE RESPIRATORY ORGANS. 



CATARRH, PLEURISY, 



INFLUENZA, RNEUMONIA, 



LARYNGITIS, CONSUMPTION, 



BRONCHITIS, POLYPUS, 



ASTHMA, OZ^NA. 



CATARRH, 



Or what is commonly known as " a cold," consists of a febrile 

 or inflammatory condition of the mucous membranes. When 

 confined to the eyes and nostrils it is termed Coryza, from 

 Kapa the head, and few, to boil ; signifying a fevered con- 

 dition of, or cold in the head. If it extends to the mucous 

 membrane of the bronchial tubes, it gives rise to what is 

 termed bronchitis. If to the alimentary tract, we have an 

 enteritic or gastroenteritic catarrh. The two latter are not un- 

 frequent in distemper. 



The usual causes of common or simple catarrh are damp, 

 cold, or contagion. 



Symptoms. — Increased secretion of mucus from the mem- 

 branes affected, eyes watery, nose hot and dry, shiverings, 

 sneezing, and sometimes cough, languor, fever, and consequent 

 thirst. 



As the disease proceeds, these symptsms increase in 

 severity, the mucous secretion becomes thicker, respiration 



