UVISEASES OF RESPIRATORY PASSAGES AND ORGANS. 
TRACHEOTOMY TUBE INRERTED IN TE® WINDPIPE. 
The inflammatory condition exists during a limited period, 
varying from one to five days. Then commences the suppura- 
tive stage, which is accompanied by a copious discharge, from 
both nostrils, of a secretion somewhat resembling pus, or matter. 
Causes.—As regards the special cause of this affection very lit- 
tle is known. It may be supposed, however, to originate in a 
common cold, or catarrh; yet it is well known that horses are 
sometimes attacked with it that are not exposed to the ordinary 
influences which induce a catarrhal affection. Therefore we may 
infer that such disease will occasionally occur, either spontane- 
ously or accidentally, as the case may be, in spite of our best 
efforts to prevent it. As the old saying is, “ Nature is ever busy 
in maintaining the integrity of the vital forces of the animal 
economy. Any deviation from the prescribed laws which physi- 
ology imposes is a sure and certain cause of disease.” 
I now propose to introduce a case which, at the time of its oo- 
surrence, attracted much attention and curicaity, both on account 
