ON FEVER. . 369 



CHAP. IX. 



ON FEVER PLEURISY PERIPNEUMONY — - 



SUPERFICIAL OR EXTERNAL PLEURISY — 



INFLAMMATION OF DIAPHRAGM ANTI- 



COR — YELLOWS — STRANGLES. 



Q IMPLE or idopathic fever, is a preternatural 

 ^ acceleration of the blood's motion, and con- 

 fequent heat; the compound fpecies, or the 

 affociated and fymtomatic, is the effeft of fome 

 morbid material thrown upon the circulation, 

 which a6ls with a virulence exaftly commen- 

 furate with its proper qualities, and the exifting 

 date of the bodily humours. Fever is mod ge- 

 nerally experienced to be fymptomatic, and is 

 indeed affociated with a vaft variety of difeafes : 

 in putrid fever, the fever is the effeft, not the 

 caufe of contagion. Fever is almoft invariably 

 combined with catarrh ; and fuch is the analogy 

 between them in their caufes, effefts, and cure, 

 that they might not very improperly be efteemed 

 fynonymous, with .the bare dillinftion of hot 

 and cold. In a retropulfion of that fine fluid 

 or exhalation, the perfpirable matter, which 

 even thofe who have correfted San6lorius, 

 make fo confiderable in quantity; if the load be 

 thrown upon the pituitary membrane, and be 

 VOL, IK B B evacuated 



