EXERCISE. 209 



Or less degree, so soon as the repletion pro- 

 duces oppression, that the struggling efforts 

 of nature are unable to subdue. 



These unembellished facts are too plain 

 and striking to require much time from the 

 WRITER, or patience from the reader, 

 for farther investigation or comprehen- 

 sion : concluding, therefore, this part of 

 the animal inechanisjn is perfectly under- 

 stood, I shall proceed to an explanation 

 of the active causes of such disorders as 

 originate in impurities of the blood, occa- 

 sioned by want of motion and consequent 

 evacuation. 



It is therefore necessary we take a survey 

 of a horse- brought from the stable in a 

 state of plenitude after temporary inactivity, 

 when we find the body too full and over- 

 loaded to make his first efforts with any 

 degree of ease or pleasure ; every one not 

 totally absorbed in a state of stupefaction or 

 natural illiteracy, must have observed the 

 unremitting attempts and strainings of the 

 animal to throw off the superfluous burthen, 

 by repeated evacuations, so soon as brought 



VOL. II. p 



