ROARING IN HORSES. 25 



there a practical demonstration of the part 

 that it took in producing the sound. Con- 

 sequently to insure a more certain cure he 

 found it necessary to excise the vocal cord 

 as well as the arytenoid cartilage (fig. 3), 

 and says this procedure gave the most satis- 

 factory results. 



Therefore, whilst Moller advised excision of 

 the paralysed cartilage only, Fleming recom- 

 mends extirpation of the arytenoid, as well 

 as the vocal cord. But, although I have not 

 as yet had a long experience in these opera- 

 tions, I have made my choice, and do not in 

 the least hesitate to give my preference in 

 every case to the method established by 

 Moller ; it has the advantage of not inter- 

 fering with the laryngeal mucous membrane, 

 except in a very small degree, and in a 

 regular manner. On the other hand if the 



