CHAPTER IV. 



DISEASES OP THE RESPIRATORY ORGANS. 



1. SIMPLE CATARRH OR COLD. II. LARYNGITIS, OR COMMON SORE THROAT--- 



m BRONCHITIS.— IV. PNEUMONIA.— V. PLEURISY.— VI. HYDROTHORAX 

 VII. EMPHYSEMA OF THE LUNGS. 



I. Simple Catarrh or Cold. 



Simple cold or coryza, is inflammation, more or less acute, of the 

 mucous membrane lining the nostrils and sinuses of the head usually 

 implicating the eyes and throat. If neglected, it is apt to run down to 

 the lungs, and cause bronchitis and pneumonia. 



Cause.— Damp, badly drained stables, and those built so as to allow 

 drafts ; exposure to storms and winds; sleeping on the ground in cold 

 weather, etc. 



APPLICATION OF STEAM TO THE NOSTRILS WITH THE JET. 



How to know it.— There is more or less fever, with fits of shivering; 

 hot mouth, dry nose, and horns hot at the head and cold at the tips ; 

 cars and extremities cold ; sneezing, and sometimes a cough. At first, 

 watery mucus discharges from the nose ; the eyes are red and inclmed 

 to weep, with the eyelids swollen ; and the bones of the forehead are 

 hot and tender when tapped. After a day or two, the discharge from 

 the nose becomes purulent, and the tears begin to scald the cheek ; the 



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