34 ROARING IN HORSES. 



bleeding, and it is easily stopped by the cold 

 douche. When small arterial branches have 

 been cut in the muscular structure, or in the 

 deep layer of connective tissue (rendered 

 abnormally vascular in consequence of the 

 prior application of blisters or the cautery), 

 it is necessary to twist the injured vessels 

 or to apply bull-dog artery forceps. When 

 the bleeding has ceased the second part of 

 the operation is commenced. 



Second Phase : Incision of the Larynx and 

 the two first Rings of the Trachea ; Intro- 

 diiction and fixing of the Camila. — This 

 incision may be made in one stroke, from 

 front to back, by plunging the bistoury into 

 the crico-thyroidean ligament behind the body 

 of the thyroid and in the middle line, divid- 

 ing successively this ligament, the cricoid 

 cartilage, the crico-tracheal ligament, and the 



