ON RESPIRATION. 121 



The horse is jnore tVequeiitly attacked with 

 inflammation of the lungs than any other qua- 

 druped. This may probably arise from the 

 abuses and irregularities which he is obliged to 

 submit to in his domesticated state, for by cloath- 

 ing and the unnatural temperature of the stable, 

 he is rendered much more susceptible of cold 

 than he would be under other circumstances. 

 When the attack is Adolent, the inflammation is. 

 frequently so great as to produce mortification 

 in a few hours, and even if it is overcome by 

 bleeding and medicine, it generally lays the 

 foundation for a permanent cough or broken 

 wind. This may be brought on by an efl'usion 

 of water in the chest, or by lymph being thrown 

 out into the cells of the lungs, and possibly by 

 a paralysis of the diaphragm, or by the destruc- 

 tion of part of the lungs in consequence of the 

 inflammation. In any of these cases respiration 

 will be laborious, and the animal will become 

 unfit for violent exertion. However, the most 

 common appearance of the lungs in broken- 

 winded 



