ROARING DYSPNCEA. 



621 



Roaring, due to such an obstruction, can be cured by 

 removal of the polypus, which must be effected by cutting 

 ligature, or torsion. 



Fig. 144. Nasal Polypus. 



Of the three operations, torsion, or laceration of the poly- 

 pus, is most practicable. It is attended with very consider- 

 able hsemorrhage and injury to the turbinated bones and 

 schneiderian membrane, but it is safe and effectual. 



The osseous tumours of the nose are not common, but 



