^ 1 8 ESSAYS AND OBSERVATIONS 



fourteenth day, withveryhighfymptoms. 

 The laii week, rheie was a conftant paia 

 in the middle of one of his thighs, where 

 nothing hov.ever could be leen or felt. 

 On recovery, which was very flow, and 

 without any feniible crifi-, he wantefd the 

 nfe of the whole limb, which was not, 

 till after fomc time, reilored. 



In another cafe, it feemed highly pro- 

 bable, that, without forming, the difeafe 

 was thrown upon the nervous fyftem, 

 and canfed a mania to a high degree. 



From the hirtory of it, then, it is evi- 

 dent, that, contrary to a vulgar opinion, 

 this epidemic is not merely a fi.nple ca- 

 tarrh, or coldjfuch as daily happens from 

 fudden chills, or changes of weather and 

 feafons, and a floppage of perfpiration, 

 but mult be confidered as a fever Jui ge- 

 jwis, with catarrhal lymptoms, for the 

 mod part regular in its courfe, termina- 

 ting in a feniible crifis, continuing long 

 fometimes after every fymptnm of catarrh 

 is gone, and often changing its form. 



It would appear too, that, likemeafles 

 or chincough, it is produced and propa- 

 gated 



