24 



ROARING IN HORSES, 



this was sometimes followed by a cure, whilst 

 in other cases it simply reduced the sound. 

 From examination of larynges of horses where 



,^^^x^. 



Fig. 3. — Fleming's operation. Section of the larynx, — The dotted 

 lines show the incisions of the mucous membrane in ablation of 

 the arytenoid cartilage and the vocal cord. 



the operation had been useless, or only partly 

 successful, he thought that the continued 

 roaring was due to the vocal cord ; he had 



