ROARING IN HORSES. 



^1 



III. 



ARYTENOTOMY. 



To excise the arytenoid cartilage with some 

 certainty of success it is necessary to act 



Fig. 4.— Blunt-pointed bistoury. 



methodically, and be prepared with certain 

 special instruments. 



I. A razor knife or narrow-bladed, probe- 

 pointed bistoury (fig. 4). 



