DISEASES OF RESPIRATORY PASSAGES AND ORGANS. 



raACHKOTOMT TUBK IMRF.STEO IN TU£ WIKDPIPB. 



The mtiammatory comlition exists during a limited period, 

 nuying from one to five days. Then commences the suppura- 

 tive stage, which is accompanied by a co])ious discharge, from 

 both nostrils, of a secretion somewhat resembling j)us, or matter. 



Causes. — As regards the sjrecial cause of this affection very lit- 

 tle is known. It may be supj)osctl, however, to originate in a 

 common cold, or catarrh; yet it is well known that horses ar« 

 sometimes attacked with it that are not exposed to the ordinary 

 influ'^nces 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. A.s the old saying is, " Nature is ever busy 

 in maintaining the integrity of the vital forces of the animal 

 economy. Any deviation from the j)rescribed 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» 

 nirrenoe. attracted much attention and curi^<aity, both on aooconl 



