Of the primary Sedt, Sec. 67 mediate Infection of the Spirits is commu* nicable to the Fifcera, and all Parts of the Body, it will be neceiTary to go thro' this Matter in a very particular Manner, by enquiring - FIRST, What are the Spirits concern- ing which we are here fpeaking ? SECONDLY, What is that Difpofition of Spirits which makes them fit to receive 1 the pehulential ImprefHon? And, * THIRDLY^ After what Manner the vitiated Spirits can affeft the whole Body with Diforders? T O this Purpofe we mufr. know, that the Spirits are the moft thin and fub- tile Particles of the Aliment and other juices, raifed to the utmoft Perfection and Volatility by the innate Heat, and the nitro -aerial Spirit, to ferve in the Opera- tions of the Mind, and all the Purpofes of the animal O Economy . THE Matter whence the Spirits are! generated is the Chyle ^ and their Reftaura- tion, Confirmation, and Vigour, are from the F 2 Re*
