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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

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into the Heart where it is subtilized and begins to be changed into Blood and by circulating several times from the Heart into the arteries from the arteries into the Veins and from the veins into the Heart again it is rendred proper to nourish the animal the subtiler parts whereof penetrating as vapours thro' the Tunicks of the arteries and joining and uniting themselves to the Parts nourish and augment them and the rest is drained into the Liver Reins Pancrea's c. and according to the Laws of Circulation repasses into the Veins and from the Veins into the Heart where it is refurnished with Spirits by the means of a Ferment which is contained in its Ventricles and by the Mixture of the Air which insinuates it self through the Lungs into the Heart I could prove by many Experiments That the pancreick Juice comes not from the Spleen to the Pancrea's Pag. 79. as you pretend But as the thing is of it self sufficiently clear and that we need but observe the structure of these two Viscera's and the communication that they have one with the other to convince you thereof It will be sufficient to cause you to take Notice of that which modern Anatomists have several times experimented That after the Spleen hath been taken from Dogs the Wound being consolidated these Dogs have been as well as if they still had their Spleen and we draw a pancreick Juice therefrom altogether like that which we ordinarily draw Wherefore if the Spleen did communicate this Juice to the Pancrea's it is certain That these Dogs whose Spleen was cut out would languish and Nutrition would no longer be perfectly made because the Chyle is not fermented with the Bile for want of the Pancreick Juice which is the Menstruum that dissolves these two Bodyes and which puts them in action there would also be no longer any secretion of the Cream of the Chyle from the Excrements and we could not be able to draw a Pancreick Juice from these Animals for the Cause being remov'd there is no longer any Effect sublata Causa tollitur Effectus The pancreick Juice comes not then from the Spleen to the Pancrea's but is a Liquor which is strained in the Pancrea's as the Serocity in the Reins It is not a vain Fancy as you go on to believe Pag. ●3 That the Lympha is a Serocity which is separated from the Blood and from the nervous Juice in the Glands if you had examined the substance of the Glans and the Vessels which terminate thereto you would judge otherwise thereof You would see that the Glands are as so many strainers through which the Serosity is strained and there terminates thereto four Sorts of Vessels namely Nerves Arteries Veins and the Lymphatick Vessels the Arteries carry Blood thereto which the Veins re-carry to the Heart according to the Laws of Circulation the Nerves carry the animal Spirits or nervous Juice thereto and the Lymphatick Vessels draw thereto the Lympha and is discharged thereof as I have already said into the thorachick Pipe and into the descending Vena cava You see from hence That since the Glands have no other Vessels which administer thereto but Nerves and Arteries it neceassrily follows That the Lympha is a Serocity which is separated from the Blood and from the nervous Juice in the Glands You say There is neither Acid nor Alkali in the Seed because that being the Decidu of or that which is fallen off from all the Body Pag. 109. and the Recidu of the last Aliment it suffers neither the one nor the other since they have been separated therefrom in the first Concoction of the Aliment and are not to be ound in the second which is the Haematose and yet less in the Third which is the assimilation or Nutrition of Parts You add That if there were Acid and Alkali in the Seed it would be destroy'd by the continual Ebbulition and Fermentation which is made thereof It is to be admired that you can be of this Opinion seeing according to the Doctrine which you would establish you cannot deny but the seed hath the same Principles as Flesh Blood Bones Horns and other parts of Animals and 't is otherwise indisputable That Meat Blood and Milk which grow sour when they corrupt contain Acid and the Volatile Alkali's which are drawn in abundance therefrom are Proofs no less certain That there is an Alkali therein whence it follows That these two Salts are also to be found in the Seed since according to what you affirm It is only the Residue of the last Aliment of of those parts as for the Objection which you make That if there were Acid and Alkali in the Seed it would be corrupted because of the continual Fermentation which is made theteof You shall also observe That these two Salts never act except they be dissolved or excited by some external Agent as Heat or by the mixture of some other Body as it happens when the Seed of the Male and that of the Female come to be mingled together and to be heated in the Womb for then all their parts are put into Motion and there is made a Patern or rough draught of all those of the Foetus the more subtile parts of the seed retire themselves to the Center and scatter to the Circumference those which their grossness or figure render less proper for motion from which are produced the Membranes which environ the Foetus and the more subtile parts continue their motion in the middle dis-intangling themselves from those whose figure is not proportionable to theirs and uniting themselves to those which are with them conformable and so those which are Decidued or fallen from the Brain or more properly those which are found proper to form the Brain unite together and produce the Brain Those which ought to form the Heart unite together and form the Heart and so of all the other parts and when it happens that the Man's Seed overpowers that of the Woman's there is formed a Man as there is formed a Woman when that of the Woman's is stronger than the Mans and we may believe that there may be an Hermaphrodite when both Seeds meet together in a perfect Equality Where you begin to treat of Acid and Alkali you tell us You can hardly give your Opinion thereof Pag 89. because it is difficult to declate it upon a matter which 'till now is undetermined yet nevertheless you as it seems decide it so absolutely as if it were the most known and determined Truth in the World. You pretend that Acid is a principle of Death and the Alkali a principle of Life Pag 96. that is to say That Acids are the Destroyers of Bodies and Alkali's on the contrary the Authors of their Construction For to make the Probability of this Maxim disappear one needs only to make reflection upon what I have spoken thereof in my Discourses upon Acid and Alkali where I have spoke of
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
produce this Effect Acids assisting to make this Coagulation as Country-women observe Therefore consequently there may be Alkali in Iron We see likewise by another familiar Experiment That there is Acid in Iron for if one puts a bit of iron into Sauce wherein there is some Gall as in that of a Carp the Gall of which one has broke all the Volatile Alkali which causes the bitterness of the Gall joins it self to the Iron and the Sauce remains sweet How should this be that this Volatile Alkali doth join it self to the Iron if there was not Acid in the Iron seeing Alkali cannot produce such an Effect it follows therefore That there is Acid in Iron PYR. He afterwards demands the Reason Why Mercury which dissolves Gold so readily it being a hard and solid Body and reduces it into an Amalgama acts not at all upon filings of Iron though this is a Metal so open that Liquors weak enough work upon it EUB. Two things contribute to this Effect The first is That there is a great deal more Sulphur in Gold than in Iron and consequently Mercury which abounds in Alkali can rather work on Gold than on Iron The second is That the Sulphur of Iron is intangled in a great quantity of Earth which hinders the Action of the Mercury which has not parts sufficiently subtile nor sufficiently penetrating to dis-intantangle it as the Spirits of Niter and sal Armoniack do whose parts are so thin and so agitated that they dis-intangle the parts of the Iron one from the other and makes a Dis-union of its Sulphur and Alkali it is not so of Gold whose Sulphur is only intangled in its Mercury and which hath only a very little Earth which is not strong enough to intangle the parts of the Sulphur and Mercury of Gold. PYR. The same thing happens which he pursues to the same End In the Precipitation which is made of Corals and Peals dissolved in distilled Vinegar with Oil of Tartar made per deliquium Chymists attribute this Precipitation to the Alkali of Tartar which absorbs the Acid spirits of the Dissolvant and nevertheless we see That Acids precipitate them as well as Alkali's EUB. I do not wonder That Acids precipitate equally with Alkali's Corals and Pearls dissolved in distilled Vinegar Yet that does not at all destroy the Reason That they are wont to render when it is made with Alkali's for there are as you know Two sorts of Dissolutions in Nature either an Acid dissolves an Alkali or else an Alkali dissolves an Acid if it is an Alkali which holds an Acid in Dissolution the Precipitation cannot be made but by an Acid for then the Alkali which held it in Dissolution quits it to join it self to the new Acid that is cast thereto If on the contrary 't is an Acid which holds an Alkali in Dissolution either the Alkali dissolved by this Acid is mixed intimately with its dissolvant in such manner that the dissolvant fills exactly all the pores of the dissolved body as it happens in Vitriol of Mars or the dissolvant do's not penetrate the Body but superficially and do's not throughly fill the pores thereof as we observe in Mercury dissolv'd in Aqua fort and in Coral and Pearls dissolved in distilled Vinegar If it happens that the Acid spirit penetrates intimately the Boto which it is joined and that those points be of the same figure and grossness as the Pores of that Body the Precipitation cannot be made but by an Alkali which charges it self with the Acid which held that Body in dissolution and makes it at that instant to quit its hold The which Acids cannot do because that not finding therein any Vacuity they cannot work upon it If the Dissolvant is not mingled per minima with the dissolved Bodys an their points are not of a figure proportionated to those of the pores of the Body the Precipitation thereof may be made by Acids and Alkali's by Alkali's after the same manner as I told you but now and by Acids because the points of these Acids work upon those of the Dissolvant causing them to quit their hold for the Body being no longer agitated nor detained by those points it falls by its own weight to the bottom of the Vessel which contains it Thus when Oil of Tartar precipitates Corals and Pearls dissolved in distilled Vinegar they have Reason to say that this Precipitation is done Because the Alkali of Tartar has blunted and charged it self with the points of the distilled Vinegar which held the Coral and Pearls in Dissolution altho Acids precipitate also this Dissolution PYR. Our Author saith Chapter the Third That the Admirers of Acid and Alkali seem to have assign'd arbitrarily certain Extents and Employments to each of these Principles as for Example That an Acid doth in quality of an Acid such and such Operations and the Alkali's in their quality the like also and That from thence depends all the Phaenomena's of Nature and That they ought not to promote in publishing Propositions of this Importance without good and sufficient Proofs thereof EUB. Does not Experience teach us That Acids of whatsoev●r Nature they be coagulate Blood Milk c. That they ferment with all Alkali's and never with other Acids That they constitute the Essence of all Bodies that they are the pointed Bodies which fills up the Vacuities of Alkali's and which are the absolute Masters thereof That Alkali's on the contrary dissolve Blood and Milk coagulated by Acids That they hinder them also from being coagulated and that their parts are not dis-united one from the other For Example sake If one mingle som volatile Spirit of Sal Armoniack with new Milk or with Blood so soon as it comes out of the Vein it conserves them in their Consistence for a great while and hinders them from being corrupted Alkali's whiten Linnen and Stuffs they ferment well all Acids and never with other Alkali's These are the little Bodies full of holes and wholly vacuous in a word They precipitate Vitriol of Mars dissolv'd in Water which Salts nor Acids can never precipitate You thus see plainly That they assign not in vain these nor several other Effects to Acid's and Alkali's seeing Experience teacheth you That they are alwaies and at all times the Cause thereof PYR. He affirms also That the Division of Salts into Acid and Alkali is purely arbitrary and That they may divide them otherwise Acids and Alkali's having not only in a great many things some agreement but also salts of one and the same Denomination being visibly different in several chief points as Alkali's whereof some are fixed others volatile and some thereof give a Precipitation of corrosive Sublimate dissolved in water of a tawny colour as salt of Tartar others a white colour as spirit of Urine Harts-horn c. Finally some act very slowly on filings of Copper as Oil of Tartar made per deliquium and others dissolve it with readiness as spirit
there is a fourth Part of the World because Ptolomy Strabo and other antient Geographers did not know it How fair soever the Descriptions be which antient Anatomists have made on MAN yet they have left to us some Parts of this Microcosm to be discovered which tho they be not of any great Extent nevertheless they are of extream Importance for its Conservation and our antient Philosophers have not penetrated so deep into rhe Secrets of Nature but that we have Discovered by means of CHIMISTRY many things which were unknown to them You observe so little the Maxims for which you praise the Faculty of Montpellier that without fear to cheat or be cheated you reason by Principles all-together unknown to the Antients and you admit several new Anatomicks and Chimicks but you turn them lo particularly that they become unknown to their own Inventers and I know not but the use which you make thereof will rather serve to Destroy then to Establish them The manner by which you explain Nutrition Renders us not much more knowing You tell us pag. 79 107. The Chyle is made in the Stomach without teaching us the manner thereof That it falls afterwards into the Intestins where it is fermented with the Bile and splenetick Juice without explaining to us the Cause of this Fermentation and you go on with an evident false supposition That it is carryed to the Liver by the Vena Porta after having passed through the Tunicks of the Intestines to acquire therein the form of Blood. For to discover the Cause and Means of these Operations it must be observed That there is an Acid Liquor in the Stomach which produceth them therein Whether this Liquor be brought thither by the extremities of the Arteries which terminate thereto or else it is the remains of the Aliments which grow sour by abiding there and which serve as Leven to those that are taken afterwards as we observe that Dough grows sour by age and then it can ferment a great quantity of new The existence of this Liquor needs not be doubted of nor that it is a powerful dissolvant The Bones which we find half digested in the Stomachs of Dogs and the Copper which we find half corroded and half dissolved in the Stomachs of Ostriges and Drakes are sufficient Testimonies thereof And we may perceive that this Acid Liquor was not unknown to the incomparable Hypocrates when he saith in the first Aphorism of the sixth Section In longis laevitatibus Intestinorum si rectus Acidus superveniat bonum In long Loosnesses of the Intestines if acid Belchings supervene it is good for 't is then that this Liquor begins to be renewed and to execute its functions When the Stomach is empty and this Liquor is fallen thereinto in a sufficient large quantity or else if you please the Ferment is sufficiently exalted it excites Hunger for then it strikes the superior Orifice of the Stomach which is wholy nervous and of a most delicate Sense and produceth in us different Appetites according to the particular Nature and different Figure of its Particles whence it comes That we do digest more easily those aliments to which our appetite excites us because they have much conformity with that Acid. This Liquor serves not only to excite Hunger but also to dissolve the Aliments which we take and to convert them into Chyle for after the Aliments have been prepared in the Mouth by mastication and by the mixture of the Spittle they are cast by the Tongue into the Oesophage and fall at the same time into the Stomach as well by their own weight as by the impulsion of the Muscles of the Oesophage the acid liquor of the Stomach is immediately mingled with them scattering the parts thereof from the other and bruises them and attenuates them and by the continual agitation and motion which it makes thereof it causes them entirely to change their Nature and according to the relation that this liquor has with the aliments which we take the Chylification is made more or less perfect and in more or less time The Stomach being continually pressed by the Diaphragma in the time of Respiration the Chyle falls insensibly into the Intestines where it is confounded with the Bile and pancreick Juice and then there is made a Fermentation of the Chyle with these two Liquors during which time the more subtile parts and consequently the more proper to nourish the animal are strained and pass through the Tunicks of the Intestines and the grosser parts are cast out backwards by the anus as well by their own weight as by the peristatick Motion of the Intestines Sylvius de le Boe Graaf Suale c. have attributed the cause of this Fermentation of the Chyle with the Byle and pancreick Juice to the acidity of the pancreick Juice but experience hath taught our more curious Anatomists That this Juice is not in any wise acid but altogether incipid and therefore That cannot be the cause of this Fermentation and to discover the true Cause thereof it must be observed That when the Chyle falls from the Stomack into the Intestines it is of an acid-salt taste because of the Mixture of the Acid of the Spittle and of the acid Liquor of the Stomach with the volatile Alkali of the Aliments for as I have shewed in my foregoing Discourse that Acid-Salt Bodies are composed of a Mixture of Acid with Alkali This Taste is found manifestly in the Chyle and 't is in other Cases a constant Maxim That Acid-Salt Bodyes being mixed with some Alkali and dissolved in some Menstruum for Salts act not except dissolved are fermented as Vitriol of Mars doth being dissolved in water with Oil of Tartar made per deliquium The Chyle then being an acid-Salt and the Bile abounding in volatile Alkali they are fermented assoon as they come to be dissolved by the pancreick Juice This Fermentation cannot be made but at the same there is made a Precipitation of the Faeces and the more subtile parts pass into the lacteal Veins and not into the Vena porta and from thence into the Liver as you suppose for if the Branches of the Vena porta in the time of the Distribution of the Chyle be tyed they are found only filled with Blood and if they be separated with the Liver from the Intestines there is likewise not lost one drop of Chyle but it is carryed continually from the Intestines into the lacteal Veins from these veins into the two Receivers of Pequet and then into the thorachick Pipe where it is mingled with the Lympha which is discharged thereinto from the inferiour parts and ascending all a-long by this pipe it is disgorged into the left subclavial Vein where it is confounded with the Blood and continuing its way it falls into the descending Vena Cava where it is still mingled with the Blood that it contains and the Lympha which flows thereto from the superiour parts it enters lastly
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