EnEUMATISM!. 437 



•Ms teeth; and the thirst will be excessive. A half-conscious 

 state may supervene, and death speedily result ; or — what more 

 frequently occurs — the violent symptoms referrible to the heart 

 and the pleura will disappear, and the disease is transferred to 

 a hind limb, the joints of which swell, become hot, and acutely 

 painful. 



In this manner the disease may hold its course until it has 

 invaded every limb in succession ; when its violence may sub- 

 side, and the patient gradually recover. 



SuB-AcrTE Ehettmatism. — Sub-acute Rheumatism differs 

 principally from the acute form of the disease in possessing a 

 more diffusive character; the pain is not so excruciating; the 

 pulse is softer, more regular, and not so quick; and it is 

 also the most common form in which the malady is deve- 

 loped. 



It is manifested, for the most part, within the muscles and 

 the facia of the loins and hind extremities. The patient, to 

 use common phrases, is " shoulder-tied," or " loin-bound." It 

 is with difficulty the animal can be made to move from one 

 place to another. The appetite is bad, and the temper of the 

 •patient, on some occasions, is excited. He will snatch and bite 

 savagely at those who touch or approach him. 



Pathognomonic Stmptoms. — The animal is suddenly at- 

 tacked with lameness in one or more of the limbs, associated with 

 inflammation, swelling, and acute pain within the joints. The 

 ■disease shifts out of one limb into another. 



Cattses. — The causes which excite and predispose the sys.. 

 tem to Eheumatism are numerous. Epizootic Catarrh is a 

 predisposing cause of this character; also regularly keeping 



