Selected quad for the lemma: cause_n

Word A	Word B	Word C	Word D	Occurrence	Frequency Band	MI	MI Band	Prominent
cause_n	blood_n	disease_n	part_n	2,042	5	4.6450	4	true

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ID	Title	Author	Corrected Date of Publication (TCP Date of Publication)	STC	Words	Pages
A25375	Chymical disceptations, or, Discourses upon acid and alkali wherein are examined the object of Mr. Boyle against these principles : together with a reply to a letter of Mr. S. Doctor of Physick & fellow of the colleg of *** : wherein many errors are corrected, touching the nature of these two salts / by Fran. Andre, Dr. in Physick ..., faithfully rendered out of French into English by J.W. ; to which is added, by the translator, a discourse of phlebotomy shewing the absolute evils, together with the accidental benefits thereof, in some cases.; Entretiéns sur l'acide et sur l'alkali. English	Saint André, François de, fl. 1677-1725.	1689 (1689)	Wing A3113A; ESTC R30709	47,738	222

vasis circulatur ●o tardius Lue pestifera Contaminatur A most injurious Opinion since by weakning the Spirits she becomes the less able to withstand so lethal an Enemy For if a Plenitude be the Pretence by a more spare Dyet and other proper things it may be made so harmless as not in the least to assist that poysonous Disease when it has seized us nor to incourage it in any way to seize upon us Wherefore to go and let any infected person Blood is a short Way to Cure them of the Disease and Rid them of their Lives together since it so wastfully spends the vital Powers by whom only this cruel Disease can be withstood and vanquished For if Nature at any time has so far prevailed with the Disease as to collect the greatest part of the malignant Matter into one place and does endeavour to cast it forth in Botches Boils or Carbuncles which commonly appear in the Emunctories whose Gland●●es are then tumified with this poysonous Humour Blood-letting being then admitted Nature dos not only for want of Power cease to prosecute her design but this vicious Humour is remitted ob fugam vacui and so quickly spreads it self through the whole Mass of Blood assisting those poisonous Particles which were there before and which Nature was obstructed by Phlebotomy from purging out to the destruction of the miserable Patient It is for the very same Cause that those common Breakin gs out of the Body in large Swelling in the Emunctories and in small Pimples and Scurfs all over the Body do all disappear after a plentiful Emission of Blood The vitiated Matter being returned to supply the Deficiency of the Blood newly let out and it is there so long circulated 'till it is thence cast out by Perspiration or else if it be very venemouns it infects the whole Mass so that perhaps an accute and dangerous Disease succeeds it and 〈◊〉 it be neither very Malignant and Yet the whole Mass be contaminated those Pimples Blisters and Scurff keep so long in and lurk secretly in the Blood either 'till Nature has recruited her Forces and be in s to cast them out again in order to the freeing herself from those noxious Particles tho' perhaps it be impossible for her alone and unassisted to perform it yet she alwayes endeavours her own Redemption if she be not obstructed of else 'till those Venemous Corpuscles are by some accidental Cause excited to fermentation whereby they pollute the Blood to a greater degree so that the whole Flesh is so depraved as to appear in a Measly Scurfy and filthy form and may perhaps at last merrit the name of Incurable Leprosy It is the Opinion of some Physicians That Blood-letting is very proper yea Necessary in the Scurvy among whom 〈◊〉 find the often quoted Doctor Willis t● be one who saies in the Book of the Scurvy pag. 256. Cum enim Liquor sanguineous valde impurus evasit nullo Remediorum genere certius emendatur quam crebra parva extramissione quippe sanguini veteri corrupto quoties educitur recens melior defoecatior Existit Now thererefore it is granted by Most That the Blood is better in some venal Pipes than in others which may easily be proved by any who ever saw many rob'd of this rubid Liquor for In some it spouts out Bad at first and better afterwards in others The quite contrary Wherefore if this be true as it most certain and undeniable Then the Question is How shall we know when that vitiated parcel of Blood which we so much seek to remove has taken up its abode in the inferiour parts of the Veins of the Arm and in the Arteries tending thereto that we may let it out For if it be not there it is impossible we should extract it since all the other Arteries are too remote and so in stead of the Bad we may take away the Good and besides if we did take away some of the Bad for its impossible to take all yet it may be questioned Whether the new made Blood may not be vitiated in its Preparation before it comes to be circulated with the old as undoubtedly it is both in the Liver Spleen and other Viscera's Wherefore tho' a new Mass of Blood may well be expected this way yet not without a cruel wracking of Nature in forcing her to labour so hard for Life being before tormented by so stubborn a Disease yet we cannot expect to have it much better than the former but rather worse unless we use some proper Remedies to cut off the Causes and to purify it in the Fountain the which Remedies would as well have corrected and amended the Old Mass of Blood as this New one since no Blood in a curable Disease can be so corrupted but it may be reduced to its pristin Sanity without extramission of any part of it which proves That it s not a Real Corruption but a Disposition thereto for an absolute Corruption is a total Destruction of its first Essential Form and the Assumption of a new one which by no means will admit of being reformed into its pristine one according to that Philosophical Axiom A privatione ad habitum non datur Regressus Yet we finde That the Blood tho it seem to be deeply corrupted may easily with proper and efficacious Medicaments be restored to its former Soundness and Pureness because it has not totally lost that Form with which it was first stam'd But yet further Suppose the Scorbutick Malignity did lodg no where but in the Blood which is indeed false yet new Blood coming to be circulated with that old which was lest would by meer contact be in a small time equally affected by those noxious Particles as that Such a fermentative Force has the Seminal Ens of a Disease as it can quickly multiply it self to a Wonder if it be not restrained or cut off Wherefore Blood-letting in these Cases does not appear being Examined by Reason and Experience to be so very Necessary as some would make us believe it is Therefore to make an End of all it appears That the Means used to let out bad Blood without removing the Efficient Cause thereof is no direct Method of Healing Now Phlebotomy lets out bad Blood without removing the Efficient Cause thereof Ergo Phlebotomy is no direct Method of Healing The Major is easily proved For whatsoever suffers the Cause to remain can never totally remove the Effect Now Phlebotomy suffers the Cause to remain therefore it can never absolutely remove the Effect The Minor is also as easily proved For if the Cause of bad Blood were cut off the Fever and Scurvy depending thereon would quickly cease the which we find rarely to happen since after a frequent Extraction of Blood we find the Fever and most of the Symptoms still remain and the Disease grows more strong even to a total deprivation of all the vital Faculties of their Power and Vitallity I own Blood Letting may do

least Harm yea be very Beneficial by accident in some Respects in some few Diseases of which the most noted are a Frenzy Quinsy Pleurisy an inveterate and stubborn Head-ach and in some Fevers which be in no wise malignant as also in Contusions Rheumatisms and Intermitting Fevers but it must be in young and strong Bodies if it be done without any cause of Fear and in some few other Diseases But especially it is most proper to temper the plethorick Bodies of our age who by an extravigant Destruction of vious Liquors cause themselves to abound in that pretious balsamick vital Liquor It helps a Frenzy by abating the Effervescence of the Blood in diminishing the Vital Spirits It helps a Quinzy by Revulsion and drawing back the Blood into the Veins which would have putrified there that it may supply the loss of that which was let out In a Pleurisy it obstructs also the Apostumation of the Blood collected in the Pleura and Intercostal Branches of the Aorta by Revulsion for that Blood there ready to putrify by reason of the great heat of the Parts and its own Disposition to Putrefaction does as the Blood is drawn out of the Arm repass into the Superiour Arteries and so becomes again circulated in them the Abscess thereof being thereby prevented It cures an inveterate Head-Ach by reason it appeases the Fury of the Spirits there and by reason it depleats the Veins and Arteries wherefore 't is they are not so distended and pained as before And as for Fevers I have told you already how it comes to be assisting to their Cure only intermitting Feavers accidentally are cur'd by altering the Cirlation and by putting Nature into a Fear of Death wherefore she musters up all her Forces to oppose it whereby very often the Root of the Fever is in this great Hurry and Commotion cut off and expell●● for as Duretius saith Animi act ones incidente aliqua occasione fortius agunt presertim in morturis Whence also in Swoonings and Aopoplectick fits it proves beneficial and hence also it is That great Fears have often been a means by stirring up all the natural Forces for their own Safety to rid some Persons of chronick accute and almost incurable Diseases as Experience has often manifested Rheumatisms it cures by Derivation and so it doth som Coughs by causing the sharp Lympha which Tickles the Lungs by its sharp pointed Corpuscles the which also afflict the Nerves and Tendons with accute Pains to be discharg'd from thence mediately into the subclavian Veins to supply the loss of the Blood let out and into the Mesenterial Glandula's to be mixed with the Chyle also to promote the speedy making the like quantity of Blood hence sometimes doth the Cause of a greedy Appetite proceed afte● Blood-letting and after the retreat of a sharp Disease for Nature being studious to repair her loss and especially When she has not been too much weakned by the Disease or Blood-letting do's manifest her wants by these hungry Symptoms It seems to assist the Circulation of the Blood when it is congealed by reason of the Obstruction of its Circulation in the small Veins which by the Contusion are so squeezed that they wholly deny its flux because it seems to afford it more Room for that Circulation but if we consider That the Blood is Conglebated only as I said in the smallest Veins and that the thinnest and most fluid Blood spins out at the Orifice we cannot think it can much further its quiet Circulation since fluidity is the greatest Promoter of it Lastly By its wasting the Spirits and depriving us of that pure nutritive Juice the Blood it keeps us back not suffering Nature to store up so much Nutriment to her self and thereby renders us equally as needy as if we put a greater restraint upon our Appetites and indulged them far less than we do To the former Advantages by Phlebotomy here is added by another hand this further Benefit viz. That it is of excellent use for Women whe● their Terms dodg with them and begin to leave them and to prevent the settling of them in their Limbs or in their own Vessels putrifying and causing Ulcers Sores Piles and Fistula's in the inferiour Parts c. to prevent all which Evils Women so affected ought to bleed once a month for 3 Months together FINIS Errores Phlebot p. 10. l. 18 Crebrò p. 11. l. 5. Fat. p. 12. l. 6. above p. 15. l. 5. as the. Advertisement All Dr. Salmon's Works are certainly to be sold by Tho. Dawks living on Addle hill in Carter-lane near S. Paul's Church-yard Also the said Doctor 's Medicines truly prepared are in his absence to be sold by his Wife at his House at the Blew Balcony by the Ditch-side near Holborn Bridge There is also preparing for the said Dawks's Press A Practical Discourse concerning Swearing Not only-sharply reprooving the vain false rash inconsiderate Swearer but also chiefly reprimanding the Over-wise Quaker in the midst of all his vain-glorious Shew of seeming Holiness proving that he most abominably abuseth all those Scriptures he brings for Refusing to take an Oath before Authority when the Law of God commands it and the Glory of God as well as the Necessity of his Neighbour require it c. Place this leaf last of all

sibi ipsis Utrumvis vero seorsum neque ulli alteri neque sibi ipsi sufficiens est All living creatures saith he as well all other things as Man himself are constituted of two Principles different in Faculty but concording and fit for use These two together are sufficient for all other things as well as for themselves but either of them severally and apart is neither sufficient for any other nor for themselves These two Salts are never at rest if they be not united one with the other and as soon as they are once united have nothing but love and sympathy one for the other which we take notice of by an Infinity of Experiments as by the sympathetical Inks. The first Sympathetical Ink. THere must be made two different Liquors in two separate Vessels The first which is that we must write with is made with distilled Vinegar and Ceruse which must be made to boil together for the space of an hour in a well stopt Vial then filter them through grey Paper and reserve the Liquor which comes therefrom in another bottle well stopt The Second which causeth the writing to appear is made with Calx Vive Orpiment and common water after the same manner as the former We Write with the first of these two Liquors and we apply upon the Writing a paper imbued with the last the Writing that was invisible appears at that instant as black as if it had been writ with the best Ink in the world For to understand clearly the cause of this so surprising Effect we must take Notice That the Calx vive and Orpiment abound with Alkali and that these Alkali's wherewith we did imbue the Paper quits the Paper to absorb the Acid of the Vinegar and so the Writing appears But that which is more surprising is That the Alkali's of Calx Vive and Orpiment can pass through a Ream of Paper a Table and a Wall to absorb the Acids of the Vinegar which is observed by the Writing which at the same time appears and by the Impression and odour which it e●aves on the Paper The Second Sympathetical Ink. WE must write with an Ink made of Cork Coals and Gum-Arabick and the Writing will appear most black then rub this Writing with the Liquor made with the Calx Vive and Orpiment and it wi●l at that instant disappear and will never reappear if it be not rubbed with some acid liquor as with that which was made with distilled Vinegar and Ceruse The Alkali's of Calx Vive and Orpiment absorb as you see the Acid of the Cork Coals and Gum Arabick and so obliterates the Writing which reappears as soon as it is rub'd with some Acid liquor because the Alkali which had absorbed the Acid of the Ink quits it to absorb that which one casts thereto thus the Writing re-appears The Third Sympathetical Ink. THis third Experiment teacheth the way to transcribe in a Moment all sort of Books and Characters and to draw out all sorts of Prints Take Venice Soap cut into little bits and Oak-ashes equal parts and about as much Calx vive cause them to boil in a new bottle with common water then philter them through grey Paper and rub with a fether dipt in the Liquor which shall come therefrom the Book or Image which you would draw put some white Paper which you shal also rub with the said Liquor between each leaf of the Book put this Book between two pressures in a quarter of an hour it wil be drawn the Letters or Picture not being in any wise hurt The Reason of this Experiment is That the Acid of the Ink which always over-powers its Alkali and which in process of time blots out the print or writing does fortify the Acid of the Liquor wherewith we did imbue the Paper in uniting it self with its Alkali and consequently prints all the Characters of the Book on the Paper after such fashion as they are in the book printed or written only as much Acid as the Alkali thereof could absorb so that the writing becomes fairer and nearer than it was before It is for the same Reason that Acids as spirit of Niter obliterates writing because they choke the Alkali thereof and that strong Alkali's such as the Infusion of Gall-nuts causes them to reappear when they are rub'd therewith and renews antient defaced Books and Writings because they charge themselves with the Acid which had blotted out the Writing These two Salts are at rest as soon as they are united they cause the Diversities of all the Phenomena's which we see in Nature They are the cause of the permanent colors which we behold and of the Odours we scent and Savors which we perceive for according to the different Mixture of these two Salts the different Nature and the different Ranging of their parts the Retain is differently struck and we behold different Colours and the olfactory Nerves papillous Nerves of the Tongue are also differently struck and we taste and smell differently PYR. I earnestly desire you would yet more explain to me how Acid Salt and Alkali Salt joined together cause in us all these different Sentiments 〈◊〉 of which you tell us EUB. Whether the diversity of Colors which we behold comes only from the divers Reflect●on of the Light whether they com only from the different Impression which a coloured Body makes upon the Air and the Air upon the optick Nerves or whether lastly they may be no other but Attoms or Corpuscles which go out continually from Bodies and striking the Retain cause in us different colours it 's alwaies constant That the principal cause of permanent colours comes only from the different Nature and different Mixture of Acid Salts with Alkali Salts which we may observe by divers Experiments The first Experiment ALl Acids destroy blew colours and all Alkali's make them re-appear The Second Experiment SYrup of Violets which is a Composition of Acid and Alkali becoms of the fairest Green in the world when it is mingled with some Alkali as with oil of Tartar made per deliquium and reddish when some Acid is mingled therewith The Third Experiment OIl of Vitriol is a powerful Acid makes a black Composition with an Infusion of Gall-nuts which is a powerful Alkali The Fourth Experiment A Decoction of Red Roses becomes ruddy by Mixture with Acids and black by Mixture with Alkali's The Fifth Experiment MErcury is elevated into Cinabar by common Sulphur and becomes a fair Red and the same Mercury sublimed dissolv'd in water and then precipitated by Alkali's falls down in a pouder sometimes red somtimes white yellow citrine c. according to the nature of the Alkali which precipitated it and as the Alkali absorbed more or less the Acid which held the Mercury in Dissolution The Sixth Experiment SSpirit of Niter which is a great Acid renders the Juices of Herbs which abound in volatile Alkali as white as Milk. Distilled Vinegar doth the same with Litharge in

Effervescence as of spirit of Niter with oil of Tartar if on the contrary one of these two Salts is weak and the other strong as are the Alkali of Water and the Acid of Oil of Vitriol well deflegmed there is only made a little heat without effervescence if the Acid which is mingled with the Alkali is dis-intangled from its own Alkali and passive Principles as the Acid of Oil of Vitriol there is made a Fermentation with Heat and Effervescence and if on the contrary the Acid is intangled as in Vitriol in its Body there is only made a Fermentation with Effervescence without Heat In like manner if these two Salts are exalted and dis-intangled one from the other and from the passive Principles they take fire at the same time that they ferment as Calx vive doth when it is sprinkled with some Vinegar In a word if these two Salts are weak the Fermentation is insensible There are few Fermentations made but there is at the same time made a Precipitation tho' there are several Precipitations made without Fermentation as in the Precipitation which is done by Acids of Mercury sublimate dissolved in Water Precipitation is a Dis-uninion of a dissolved Body from its dissolvant in such manner that being separated therefrom it falls by its own weight to the bottom of the vessel which contain'd it Precipitation is made several wayes for either it is an Acid which holds an Alkali in dissolution or it s an Acid which is dissolved by an Alkali as it happens in the Composition of Regulus of Antimony in which the Sulphur of Antimony which is an Acid is separated from the Regulus and remains in the Foeces dissolved by the Alkali's of Tartar and Niter If it is an Acid which holds an Alkali in dissolution where the union is so perfect that there is not the least Pore empty as in all the compound Mineral Salts as Vitriol the Precipitation cannot be made but by an Alkali or else where the union is not so perfect and there remains a great many Pores which are not filled by this Acid as in corrosive sublimate The Precipitation may be done as well by Acids OTHER DISCOVRSES UPON Acid Alkali PYROPH THOSE Arguings which we had at our last Meeing have almost wholly persuaded me of the Verity of the Hypothesis of Acid and Alkali But I must confess dear EUBULUS that I have been extreamly shaken by the Reflections of the Incomparable Mr. Boyle upon these Principles which are lately fallen into my hands and the Objections which he makes are so strong that it seems impossible to bring a solution thereof EUB. I doubt not but that the Objections which the leared Mr. Boyle makes against Our Hypothesis have much seeming Truth in them but nevertheless I believe that they may be resolved with great Ease when one very exactly considers what I have said to you concerning the nature of these two Principles and all their force will serve to make the Truth of this Hypothesis the more conspicuous PYR. Mr. Boyle thinks it strange That they should explain all the Qualities of Bodies and the other Phoenomena's of Nature by this new System and that they attribute to it an Extent which ought only to be given to Matter and Motion EUB. You may easily conclude by the several Phoenomena's of all sort of Species which I have explained to you according to these Principles That it will be easy to Explain all those which they shall be able to prefer and I do not see Why the Extent that is given to this Hypothesis ought to be different from that of Matter and Motion since that in it self is found the Existence of the Matter and Cause of Motion PYR Our illustrious Englishman pretends That they have not made Experiments enough nor sufficient Inductions to prove That Acid and Alkali are to be found in all Bodies and in all the sensible Parts of Mixts and That they ought not to conclude that these Two Salts are to be found therein because such or such Effects are the Emanations of these Principles as for Example When the Patrons of Acid and Alkali see Aqua Fort. or Spirit of Niter dissolve Filings of Copper they conclude thereupon That the Dissolvant which is Acid meets in those filings of Copper with an Alkali upon which it works Whereas they do not take Notice That a well deflegm'd Spirit of Urine which in their Hypothesis is a Volatile Alkali dissolved in a little Flegm do's dissolve filings of Copper as readily and much more naturally than Aqua Fort. doth EUB. I believe you have sufficiently proved by those Experiments which I brought you That there is Acid and Alkali in all parts of Mixts It is most easy to separate these Two Principles from Animals Vegetables and the most part of Minerals but as for Metals These Principles are therein so strictly united one with the other That it is almost Impossible to dis-unite them Nevertheless we see therein the same Effects as we know are produced in other Bodies by Acid and Alkali and therefore we have good ground to believe That these principles are also to be met with therein and That the same effects are produced by the same Causes Thus when we see Spirit of Niter and the volatile spirit of sal Armoniack dissolve filings of Copper we conclude That there is Acid and Alkali in those filings and That the Acid spirit of Niter acts on the Alkali which it finds therein and the sharp spirit of sal Armoniack on its Acid for 't is a sure Maxim That Acid spirits never act nor ferment but with Alkali's and Alkali's on the contrary never act upon any other Bodies but Acids and thus Mr. Boyle's Objection is of no force seeing Spirit of Niter and Spirit of sal Armoniack meet in the filings of Copper with different Parts upon which they act differently and they act not any otherwise on the same subject PYR. He continues his Objections by an Experiment like the former He saies That in the Solution which is made of Iron by Acid Spirits they are wont to attribute this Effect to the Acidity of the Liquor which dissolved it although Iron is dissolv'd redily enough and also in the Cold too in sharp Spirits EUB. This Objection is as easily resolved as the former for there is found in Iron as there is in Copper Acid and Alkali The Spirit of Niter acts on its Alkali and the Spirit of sal Armoniack on its Sulphur or Acid and 't is sufficient that the one or other of these Two Liquors act upon the Alkali or Acid of the Iron to make the Metal change its Form as for the rest it is sufficiently easy to know That there are Acid and Alkali in Iron by this That Iron cast into Cream hinders that the Butter cannot be made in as much as it charges it self with the Acid which ought to make the Coagulation and there are none but Alkalies which have the Priviledge to

also it is That fat persons are the smallest Eaters by reason of the lack of internal Heat But a little after the Doctor speaks yet more fully to the Purpose Qui sanguinem habent sale volatilizato bene suturatum ●i sunt minus Febribus obnoxii hinc etiam qui saepius sanguinem emittunt ad Febres aptiore sunt Thus far he whose single Testimony in sufficient And since it appears That it doth so little hinder the approach of a Feaver that it rather furthers it it seems impossible That it should absolutely and alone cure any Fever For it is granted by all Physicians That a Fever has a property to pollute the Blood and that this can be taken away à posteriori that is by withdrawing what is putrified and contaminated seems very absurd to think being contrary to that Philosophick Axiom Manente causa manet Effectus Besides It is generally believed That the material cause of a Fever do's not possess the Vessels about the heart but rather the Vena cava and therefore how can Blood-letting be supposed to remove either the efficient or material causes thereof Wherefore consequently it can be no true Remover of a Fever but only an Abater of one of its most troublesem Symptoms viz. Heat which it do's by impoverishing the Stock of vital Spirits which maitaining Contest with the Radix of the Fever does by that contentious Motion cause that preternatural excessive Heat and Ebulition of the Blood which is particularly affected therewith hence it is That old Persons whose vital Spirits are poor in quantity and consequently not able to combate so strongly with the Disease do not appear so hot in a Fever as those whose Spirits are stronger and in a larger quantity and other persons after a tedious Warfare with this cruel Disease some small time before Death the Spirits having given up the Victory as not being able any longer to oppose the same do seem to be totally freed from all the Symptoms of their Fever For as I said the Spirits by reason of their Paucity and Imbecility do then resign up their noble Members to the Mercy of the Disease whose truculent Forces quickly invades the very Royal Pavillion of Life it self and as suddenly subverts it by committing it into the frozen Arms of a drowzy Death Whence it is held as a dangerous Prognostick when a Fever abates in the Violency of its Symptoms without any CRISIS or natural Assistance or without any medicinal Aid or without any certain Signs of approaching Health as well as sure Tokens of Nature's obtaining the Victory over the Disease So that it is no Wonder why Phlebotomy seems to afford so great Refreshment to the afflicted even in the most troublesom Symptoms because by depriving Nature of some of her provoked Forces it compells the rest for want of Power to suffer patiently the Cruelty of the Disease which if it be not very malignant as those Fevers called Ephemera Synochus non putrida and sometimes in those putrid ones called Synochus putrida and the continual Quotidian Tertian and Quartan the Contention ceasing and the corrupted blood being partly let out and the rest by some proper Medicament being corrected and amended Nature doth with much Difficulty and with great Debility at length obtain a pleasing Health Now if Phlebotomy did only let out the corrupted Blood and left still behind those Spirits which used to flow with it then Blood-letting by partly removing the Effect might ease Nature of a great deal of that which she otherwise must with abundance more Toil cast out And Reason would tell us That the natural Forces being still the same in Quantity and Power and the Inimical vitiated Blood being diminished and partly let out Nature must needs be the better able to cast out and purge the rest But since we find that the Blood and Spirits are Correlatives and do issue out together the Spirits going forth in such Quantity and the Blood let forth could be Vehicle too This proves then That Phlebotomy as it doth take away some of the corrupted Blood so it takes away also those Spirits which might have assisted to its correction some better way thereby rather weakning than assisting Nature But Phlebotomy being used in any malignant Disease is utterly destructive without a Miracle for in the Meazles Small Pox Plague c. It most commonly obstructs Nature in her Intentions so much debilitating her strength that she oft proves unable to cast forth the malignant Matter but by its poison is wholly over-come and destroy'd or at least is not capable of making an exact Purgation and though with extream hazard she escape Death yet there is such a stock of malignant matter left behind secretly lurking in the Mass of Blood which will upon a small Excitation discover its presence there by untoward troublesom Symptoms unless by powerful Remedies it be dispossest before it has fermented it self to that height It has been the Audacity of some Physicians to prescribe Blood-letting even in the Small Pox and Plague supposing That in the first the corrupted Blood being partly let out it would be impossible that the afflicted persons should have so many of those deforming Pussles as they otherwise would have had and therefore Blood-letting in such Cases might be lawful if it were upon no other account but the preserving the threatned Beauty of a youthful Face 'T is true by allaying the Effervescence of the Blood and weakning the expulsive Faculty partly as they say by reason part of that Corruption is let forth which otherwise perhaps might have made some hundreds of those filthy Pussles There is if the Diseased escape Death a great diminution of them and thereby those sweet Features which they before possest are not wholy rased But that this cannot be performed without ●●nifest Hazard of the Patient's Life Experience and Reason hath shewen since so many great Persons have fell meerly to save a handsome Face The Spirits by Blood-letting being diminished and enervated so that they can no longer endeavour for their own Recovery for as Hippocrates saith Natura est morborum Medi●a●ri● Besides Phlebotomy generally by weakning the retentive Faculty produces a Diarrhaea which was ever accounted a dangerous Symptom in malig●●● Diseases but most particularly in the Small Pox and upon this Account it is That Phlebotomy sometimes by producing 〈◊〉 accident on the a simple Feaver But in the Plague they pretend That the opening of a Vein is necessary for Prevention sake Be●ause the less Effervescence is in the Circulation of the Blood the less obnoxious we are to the Contagion The most noted man of this Opinion I find to be the above mentioned Dr. Willis in his Book of Fevers pag. 157. Where he saies Vbi adest Plethora cum magna sanguinis Turgescentia ●ut quibus longa Consuetudine sanguis solenniter mitti solebat iis venam secare convenit quo enim sanguis minus effervescet sine tumultu in