I |o Of the manifeft Signs or upon any external Cold, they would go in again. I might here conveniently obferve, that this Eruption was almoft always fympto^ matical, and very rarely critical *, the Co- lour of them was not always the fame, fometimes they were red, or purple, at others yellow, and fometimes livid or black, according to the Nature and Energy of the morbifick Venom, and its Complication with other Contingencies ^ and hence we natu- rally pafs to the effential Chara&erifticks of a Peitllence.' THE genuine peftilential Characters, by the common People amonglt us called Tokens, as the Pledges or Fore-warnings of Death, are nothing elle than minute and diftin£t Bla(ls 7 which have their Origin from within, and rife up with a little pyrami- dal Protuberance, having the peftilential Poifbn chiefly collected at their Bafes, and, according to the accuitomed Difperfion Of fuch Agents, gradually tainting the neigh- bouring Parts, and reaching to the Surface, as the Cofiguration of Veffels and Pores are difpofed to favour their Spreading. MORE-