Volume 2

The plague at Marseilles consider'd: with remarks upon the plague in general, shewing its cause and nature of infection, with necessary precautions to prevent the spreading of that direful distemper ... Also some observations taken from an original manuscript of a graduate physician who resided in London during the whole time of the late plague, anno 1665 ... / [Richard Bradley].

  • Bradley, Richard, 1688-1732
Date:
1721
Catalogue details

Licence: Public Domain Mark

Credit: The plague at Marseilles consider'd: with remarks upon the plague in general, shewing its cause and nature of infection, with necessary precautions to prevent the spreading of that direful distemper ... Also some observations taken from an original manuscript of a graduate physician who resided in London during the whole time of the late plague, anno 1665 ... / [Richard Bradley]. Source: Wellcome Collection.

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    [35] The Blights which are attended with large Worms or Caterpillars^ feem to-be rather hatch’d with theA^T? Wind,than that the Eggs of thofeCreatures are brought along with it; but thofe Blights which produce only thofe fmalllnfefts which occafion the curling of the Leaves of Trees, may proceed from Swarms of them, either hatch’d or in the Egg, which are brought with the Wind. Some perhaps may objeftjthat the£’^?/? Wind is too cold to hatch thefe Creatures; how comes it then that we find them hatch’d when thofe Winds reign ? Or is it reafonable to con- jefture that the fame degree of Hear is ne- ccflTary to enliven an Infed as is required to hatch the Egg of a Pullet? Thelafedsof wayylceland^ and fuchlike cold Climes, mtiit certainly have lefs Heat to produce them, than Creatures of the fame Race mult necelfarily have in thofe Climates which lye nearer to the Sun. Every Creature, without doubt, requires a different Period of Heat or Cold to enliven it, and put it in Motion, which is prov’d by fo many known Inltances, that I conceive there is no room for any difpute upon that fcore. But there may yet be another Queftion Whetherit isnot the^^T? Wind of itfelf that blights, without the help of Infects ? But that may beeafily refolved on my fide ; for that if it was theWind alone that blighted, then every Plant in its way muff unavoidably be infeded with its Poifon; whereas we find the con- F 2. trary