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Show 0f the 3/0011. Book II. contrary Principles being mixed in molt minute Bodies, duly united, do coun. termand each others, difagreeing qualities. The cool and moii'c difpofition of Air, gives an allay to the hot and oily 5 its volatil and thin parts, exalt the CHAP. XXII. fixed Salt, and grofs Oil of the Blood, rendring its folid confif'tence more 11. quid and fluid, as it appeareth in the Chymical operations of Spirit of Sul- phur, and Vitriol, which forced by heat, arife in dry fireams‘, and afcend the fides of the Campana, where they being embodied with Air, do defcend in Liquid forms, and are commonly called Oils, but are truly Spirits, arifingfrom Puid Salts ofSulphur and Vitriol. And on the other lide, the grofs Sulphur, or Oil, fixed Salt, and earthy Particles, do deprefs the over fierce and thin oily, and do check the extravagant volatil afpirings of the Saline and fpitituous parts of the Blood, by con. fining them to their proper fiations. v v , _ The Air, Lympha, and ferous Particles do moifien and attenuate the Red Craflament, and crude Chyme, rendring them thin and fluid, by putting them into a fit capacity of Motion, to comply freely with the contraétion of the Heart. 0f the Tat/90kg} 0f the Heart, in relation to its Sued flflflCC' and 3100;! [Ia/ring through it. Aving dilcourfed the natural Structure of the Heart, as a noble Elle. gine of Motion, confifiing of great variety of parts, fet together in an excellent order; [will now ufe my endeavour, with your leave, to fhew how the choice Oeconomy of Nature is difcompofed by various Difea-, fes, oflering many violations to the regular temper and motion of this choice Machine, by which the Blood maketh its circuit through all parts of the Body, to impart Life and Heat, the great prefervarives of the {tately Fabrick of Mans Body. - The Difeafes that principally diforder the frame of this curious Organ of. Life, are variety of Fevers, Inflammations, Abfcefles, Ulcers, obfiruétions of. its Ventricles , produced by Worms, and different kinds of concreted Matters. The prime l'ubjeét of Fevers is the Heart, as the Blood is acted in it with an unkindly Heat, and is thence communicated by Trunks, and great~ The Heart i: the fubjcct 0T Fevers. er and lefs Arterial Branches into all parts of the Body. This dilbrderly Fermentation of the Blood, is much hightned by the vio: lent Motions of the Heart, dafhing the vital Liquor againl‘c the inward Walls; whereupon its inflammatory difpolition is highly intended, appear- ing in {tronger Puliations, and the intolerable heat of the Prxcordia, and ve- hement Thirft, very much afldié‘ting Patients in this fiery Difeafe. , This unkindly fermentation and heat of the Blood,vehemently troubling the Heart, feemeth chiefly to depend upon two Caufes, either its due Crafis, or Temperament is difordered by the undue mixtion of its Elements, or by the too much exalted Principles of Spirit, Salt, and Sulphur 3 or Secondly, by the The (in? taufe of a Fever, is the unnatural innate ferments of the Heart (as famous Dr. Willir and others will have it) the Blood, too much exalted by Fer- much rarefying the Blood, in its paifige through the Chamber of this choice Mufcle 3 whereupon its frothy efiiervefcence is much increaiEd, and is impel» led out of the Ventricles, and through the channels of various Arteries with great violence into all parts of the Body. Learned Barcll/ts maintaineth an Hypothefis, that aFever doth not pro~ ceed from an inflammatory indifpofition of the Blood, or from its putri- temperament} or" the mood. The Second Canf: of it is: manS. Barri/It! his Opinion that a Fever is not produced by iaétion, or from an unnatural fermentation, arifing out of the Heterogeneous Elements of mixed Saline , and Sulphureous Particles, but from the {harp Spirits or Atomes of the nervous Liquor, as it may be feen, Parts A! em ([2 Mom Animalium, Fag. 46o. Spiritm‘ ( Ait ille ) fen fucti "ere/ti "/blifo redditz' arriorer, "ere/or, (Evan irrirarzter, funt can/43 produffimeprimm, é)" immediate catantlefl-trzlize febri/ir. This famous Author confirms his Opinion, (Pug. 4.66. (@717?013mm es: febri/i mam, ryzzi cxorimr, dumpur wufirimr in [in/Zulu, ("JV ulcen rilmr, in quibnt/hcci pram pm ejicienter, é» fermentanter, mm per 7/0214: ad tar, It'd per acre/or ad tart-brunt [mt/murmur. Q5011fltadetur ex co, quad Cor rzibilfere afliu‘tzira cont/:27" firm/mm factor/wt fermentatorztm, ut jmtet ex trmrfim [turf/5 [/lrirrifiri per Cor. Quarc pnediéiusflrtttw fermetztatm [ug/iulm‘um, qtti 7141513 razor- r/imrc "ere/es ibin'em a'e Emmet petcfl, facile wonefz‘czzm fimm qualitalem twelve, (7" [Jim (‘ora'i cor/Iiizotioyem c‘vllllllltflifdl‘e pots/t, rjufggue rirbmmli (ll/Efrlre, 1%,}?qu e "We; an undue Fermentatim nt'rhe Blool, lmtfrom an, acrimoniou; nervous Ln 110? 1nd prnv..hl is "no tliefis, bv rea'lm the I'm; of Pleu~ rily dorh not: di first thc Heart. but tthraiiL |