g 9 2 MifceUanea Curtofa. 



x. In thefe Cafes there is always a Fermenta- 

 tion in the Blood, which goes not off till the 

 a6tive Particles are thrown out by thofe Organs 

 of Secretion, which, according to the Laws of 

 Motion, are mod fitted to feparate 'em. And 



3 As different Liquors put upon a Ferment, 

 ar? cepurated in different times, fo the Arterial 

 Fluid cakes up a determined Period, of which it 

 is dilcrmrged of an induced Effervefcence. 



4. The Symptoms, during this Ebullition, do 

 not proceed all along in the fame Tenour ; but 

 on fbme days particularly, they give fiich evi- 

 dent Marks of their good or bad Quality, that 

 the na ure of the enfuing Solution may very well 

 be guefs'd at, and foretold by 'em. 



Things being thus, Thofe days on which the 

 Diftate was fb evidently terminated one way or 

 other, might very juftly be call'd the days of Crifis; 

 and chofe upon which the tendency oflllnefs was 

 difcovered by moft vifible Tokens, the Indices 

 of the Critical Days. 



And thus far the Foundation was good, but 

 when a falfe Theory happen'd unluckily to be 

 joined to true Obfervations, this did a little puz- 

 zle the Caule. Hippocrates, it is plain, knew not 

 to what to afcribe that remarkable regularity 

 with which he faw the Periods of Fevers were 

 ended on the Seventh, Fourteenth^ One and Twen- 

 tieth day, (3c Tythagoras his Philofbphy was in 

 thofe Ages very Famous, of which Harmony and 

 the Myfleries of 'Numbers made a confiderable part, 

 Odd were more Powerful than Even, and Seven 

 was the moft perfect of all. Our great Phyfici- 

 an efpoufed thele Notions, (a) and confined the 



Stages 



(a) MpUem* lib. 1. Seft. 3. 



