( irtf) 
ftlf and many more fa w, and was alfoattefted upon Ex- 
amicion before the Magiftrates by the Soldiers that were 
upon Watch that Night. The third Sign of an infe&ed 
Air was not, as may perhaps be thought, only the Fan- 
cy of People, but the careful Obfervation of the learned 
Dr. Samuel Schclwig in his Treatife beforementioned $ 
viz. That in the Month of July the Crows, Daws, 
Sparrows and other Birds, which at other times are to be 
feen here in the Town and about the Gardens in vaft 
Numbers, were all fled, and none of them to be feen 
till November . The fame was obferved of the Storks 
and Swallows likewife , and I can pofitively affirm, that 
I favv none of thofe Birds all thofe tour Months. 
I muft confefs thefe Things happening at this time, 
made me often inquifitive about the Reafens of them: 
Yet I fhould hardly have been perfwaded that they had 
any Dependance upon the Plague, fince they may, and 
fometimes do happen without it, if there had not other 
more dangerous and certain Signs of a Plague appeared 
in Mankind itfelf. Thefe indeed were very many j fome 
External, fome Internal. The former are never without 
the latter , and the latter but feldom obferved without 
the former 5 only that fometimes the External Signs do 
not appear till the Patient is dead. Both have been of- 
ten taken for Diagnofticks, as alfo for Prognofticks 5 Ex- 
perience confirming, that upon fuch and fuch Signs and 
Symptoms nothing but Death could endue. 
But great Regard ought to be had, firft to the Signs 
themfelves, and then to the Symptoms $ for they may be 
Spurious, and without Malignancy, tho’ by the Diagno- 
fficks you might take them for Peftilential. And efpe- 
dally the time muft be diligently obferved y for many 
Signs that in thelncreafe and at the Height of the Di- 
ftemper appear’d dangerous, in the Beginning and De- 
creafe of it were mild and without any danger. For the 
Diftemper began and increafed gradually, and leffened in 
