viii Contents. 



PAGE 



85 

 90 



Muscles '^^ 



Ligaments "^ 



Mucous Membrane " 



Nerves ° 



The Larynx as a whole 



Physiology of the Larynx 



VII. PATHOLOGY AND COURSE OF CHRONIC ROARING 99 



Course of Roaring 104 



VIII. CAUSES OP CHRONIC ROARING 110 



Mechanical Causes - 110 



Pathological Causes 115 



IX. PREVENTIVE AND CURATIVE TREATMENT OF CHRONIC 



ROARING - 128 



, 1. Prevention, from a Sanitary Point of View 128 



(a) Exclusion of Unsound Horses for Breeding 



Purposes 129 



(6) Care in the Management of Young Horses 129 



(c) Hygienic Management - 130 



2. Medical and Surgical Treatment of Roaring 132 



(a) Medical Treatment of Roaring 1 33 



(6) Surgical Treatment of Roaring 135 



X. THE OPERATION FOR ROARING 14fi 



1. Operation 14(5 



2. After-Treatment 15g 



