FEVERS. 249 



toms, for which no exadl caufe can be afcer- 

 tained or reaibn fupported, but the exceffive 

 drought of one feafon, or denfe atmcfphere of 

 another J it mull evidently appear that, under 

 fiich circumftances, no accurate defcription of 

 correfponding fymptoms can be colledted from 

 books without a very minute and proper atten- 

 tion to the nature of attack. 



To thefe leading traits allthe judgment and 

 penetration of the farrier, or Jupcrintendanty 

 muil be directed ; for, as fuch diforders are in 

 general complicated, and not diftinguifhable 

 under any parcicidar head, but partakinp- of 

 mm^, every ftriking fymptom iliould be well 

 obferved and diiimguilhed irom its oppofite, or 

 claffed with its concomitant, till a parallel 

 being drawn between its moft predominant fea- 

 tures, fom.e degree of certainty is afcertained, to 

 whicn ciafs it bears the greatejt affinity, or to 

 what head it properly belongs. And as this 

 work abounds with m.edicinai aids, carefully 

 adapted to cv^ry purpofe, the reader cannot pof^ 

 fibly be fo deflitute of comprehenfion, as not to 

 be enabled (upon particular occafions,) to make 

 feme necelfary alterations, as the mtent and 



eitea: 



