! 8 The Caufes and Cure Properties : As the fame Air may at the fame Time be faid properly to be both Hot and Gold, or Dry and Moift, as it is compared with another Air, either Hotter or Colder, Dryer or Moifter •, for with Re- gard to a hotter Air, it will be termed cold> when at the fame Time if it be compared to a colder Air, it would be accounted hot : And fo of the reft. To which Diftin&ion, it is very neceflary to have conftant Regard, to avoid Confufion. THOSE Countries where the Air is hot and dry for the greatest Part, are re- lated to be healthful, and free from Peftilen- tial Difeafes, except where there are great Swamps and ftagnant Waters, or by any accidental Caufes Bodies are expoied there to Putrefa£Hon, the Steams of which render Perfons Difeafed. In fuch Countries, for the morl Part of the Year, there U but very little Rain, and the Nights are compara- tively colder than elfewhere, from the great Dews which then fall. As Plfo (a) informs us, that the colder the Nights are in Brafily and the more plentifully the Dews fall, (a) Hift. Inl & BrjtJtL
