CHAP. III.] ACUTE PAIN, ITS EFFECTS. 421 



and the cure was completed with a purgative bail, 

 as prescribed at page 185. 



The fits that constitute megrim, or the more ge- 

 nuine staggers, will require the flaim ; and let the 

 quantity of blood taken be commensurate with the 

 violence of the animal, his bulk and fleshiness. 

 From four to six quarts will thus reduce his powers, 

 and aided by the back-raking and purgative just re- 

 commended, a cure is soon effected. 



LOCKED JAW 



Is rather the effect of other diseases, of the acute 

 kind, than an original attack, and is symptomatic 

 of approaching death. A prick in the foot and 

 docking the tail, are fruitful causes of locked jaw. 

 Hot weather is most conducive to this manner of 

 dissolution, which is brought about by great exci- 

 tation of the nerves, accompanied by imperfect di- 

 gestion. The remedy would of course be found in 

 restoring the tone of the former, and opening the 

 main outlet of nature. We have seen a case of 

 locked jaw proceeding from inflammation of the in- 

 testines, of a very aggravated nature. 



Symptoms. — The case alluded to was that of an 

 old horse, from twelve to fourteen years Of age, just 

 off from hard work, which seemed to have lived 

 badly and suffered severely the ills of a protracted 

 life. Date, May 14, 1820, when the weather was 

 prematurely hot. As usual, it began by the animal 

 thrusting out its nose and eating with some diffi- 



