PATHOLOGY. 31 



and will not unite with it in the cold of the atmo- 

 sphere. Heat does not coagulate it, but it evapo- 

 rates to drynefs. The difference between pus and 

 mucus is, that mucus is ropy, and has no globules, 

 appearing through the microscope to be flaky ; 

 whereas pus in its healthy state, has no appearance 

 of being ropy. The fluid in which the globules 

 swim, differs from serum, in having no power of 

 coagulating by the addition of sal ammoniac ; 

 from chyle, by its globules being larger, and not 

 coagulating by heat; and from milk, by its not 

 coagulating by the addition of rennet. In its 

 healthy state, it is perfectly inactive, but is capable 

 of alteration by disease ; so much so, that it is often 

 is very acrimonious, and will corrode the parts 

 with which it is in contact. 



Treatment of Inflammation, 



THE first consideration, is the cause of inflam- 

 mation ; the second is, whether it ought to be 

 cured ; thirdly, in what state we should attempt 

 the cure; and, fourthly, by what means. 



The consideration of these circumstances is 

 highly important ; and if we are able to discover 

 the first, it will answer the two next. The neces- 

 sity of attending to these circumstances, may be 



