dent from throwing some twigs or it is gradually brought to its most leaves of the toxicodendron on the intense degree, water, spirit, and burning fire ; for all the persons oil, are successively produced: if that may be about the fire at the all these have passed out, and the fame time will grow pale as if refiduum is still urged. by a vehe. they were dead, and if the place ment fire, it will eternally breathe be close, they may fall into almost forth something, never shewing a all sorts of diseases; yet these deficiency. Hence it is called, leaves, while they remain on'the by Van Helmont, the eternal coal, tree, though exposed to the fun, because that simple oil, which ad. are quite harmless. Mercurialis heres to the earth, is never sepa. relates, that in his time a military rated in a close vefsel ; if poundoficer had occafioned the death of ed fine, it is an insipid inert duft; all present, by throwing a certain if you expose this coal to the open body on the fire, which body car- air, it will light by the applica. ried about one did no harm, but tion of fire; the surface only, cononly became active by fire. Hence tiguous to the air, becomes white; we learn, and this is sufficient for if the coal is broken, it gliftens us, that, by the strong force of every where within; if you go fire in the open air, particles may on burning it, it at length begins be extricated, which have a power to be buried under ashes. It is so to affect the nerves, as to pro. impoffible to consume this coal duce all kinds of diseases, and otherwise than in the external sura death itself. In other respects we face, contiguous to the air, which see that the most falubrious vapours being consumed, the subsequent proceed from other plants, as from furface is also confumed, and, af. guaiacum-wood, and that of the ter such a confumption of surfaces juniper-tree. The dough of bread from fixty pounds of wood, one yields no fenfible smell, but, baked only of ashes remains; nor can all in an oven, if a quantity of it is those pounds, that are consumed, cut fresh in a close place, it may be gathered by any art; for the cause death. Coffee-berries, whilf coal, in close vefsels, cannot polliroasting in a place not blown bly be consumed by any degree of through by the air, brought upon fire. a man, who had too greedily snuff If one should write on paper, ed up their siell, a cardialgia and which is iropregnated with a soluvomiting.

tion of orpiinent, and dry this paBut there are likewise fpirits per, no colour appears; but, if from the fuffocation of fire. A the paper is held over lighted coals, live flame, urging a vegetable with the letters will immediately be the greatest force, and then fuffo. come black, and hence that which cated and extinguished, so changes Aies up is thus manifested. If you this body as to acquire a quality place a burning coal between the which may bring our body to death fun and your eye, corpufcles will itself. If a piece of any kind of be seen carried upwards by a tre, wood, or of the common turf, mulous motion; but it is doubted called also peat, is put into a whether these are produced from chymical velfel, and the fire under the coal or fun. Van Helmont


called this way of changing this actions of a man were in a mo. body a permutation into gas, and ment abolished by nothing more thinks ihat these corpuscles dwin. than these fumes. Boerhaave re. dle 'in this manner into the ex. laies of himself, that being in a tremeft tenuity, and are transform. parlour, drinking tea with some ed into a kind of water, which can ladies, where there was a chafing. rise to the extremity of the atmo. dish of kindled charcoal for keepsphere. If such a coal be taken, ing the kettle boiling, and no and fire applied to it in a spacious chimney in the place, he faw all place that is shut up, all the ani. the ladies grow pale, and was fo mals in that place will die; not affected himself by the fumes of from heat, for the contrary is e. the charcoal, that had not the vinced by experience ; and from doors been opened, he felt himself the burning of wood in a chamber tottering, and ready to tumble that is blown through by the wind, down. He likewise relates the disease or death never happens. fame effects on some young ladies Who would believe it, that the who lived in Leyden, and were mere force of fire can so change a sitting in a parlour, the windows very harmless body, if it acts upon of which gave into the street: the it in the open air, when the most aunt of the mistress of the house, intense degree of fire can feparate looking in at the window, an. nothing of the like, from the same nounced her coming by tapping .body, in a close vessel? It is there on the glass with her fingers ; shc

fore very improper to deride Van saw through the window all the Helmont upon account of the ladies seated and looking at her, word gas, for he explains it suf. but not one of them making the ficiently, and he thought a new leaft motion; the repeated her and fingular name should be given taps, and so as to be louder, but to this change, the like of which none of them made her an answer; we have no knowledge of

thinking they were palling some · Whilft Van Helmont, then an joke on her, she knocks in a pas. old man, was writing in a cold fion at the door, calling out, winter's day, he saw his ink freeze, that the weather was too cold to and he ordered a chafing dish to be be kept so long in the street : enbrought him, with coals that did tering the parlour, lhe perceived not smoke. He felt no harm from the fumes of charcoal, and saw all it; but, his daughter coming in the ladies pale and fenseless; im. shortly after, and saying that the mediately the ordered the windows perceived a strong stench from the to be opened, and all their faces to coals, the father, making a mo.' be sprinkled with water ; by this tion for quitting the place, falls means all of them foon recovered, back, hurts the hinder part of his but one of them vomited, another head, and is carried away for dead. had a head-ach, yet none of them It may appear from this fingular suffered any thing more. example, that in a spacious place, An English nobleman, travelling the doors open, the weather cold, by boat in the night from Utrecht without the least observation of 10 Leyden, took with him into contracting any illness, all the his cabin a stove, and ordered the


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door to be kept Thut: when he respects nothing is changed; if came to his place of deftination, therefore they are dipped into cold the waterman, opening the door, water, the elasticity of the vessels found him dead, with no other being increased by the cold, the apparent sign than a little froth blood moves towards the inner about his mouth. Four peasants, parts through the veins; and the having made a fire in the hold of motion of the blood through the a fhip, were all found dead there. veins resuscitates its action to the An intire family in the suburbs, heart, that is; resuscitates life it. called de Hooge Morsch, were self. found dead from this cause, by The effects are not less noxious laying in the winter-time a pan of that proceed from places newly live coals in the midst of a room white-washed with lime, which where there was no chimney, and diffuses, a subastringent and fetid the doors shut.

vapour, especially upon the introBoerhaave says, that he expe. duction of fire. For this reason rienced in himself, at the begin. all newly built houses, if too soon ning of the ill effects from such inhabited, may bring on fatal vapours, an inclination to sleep, disorders, or the worst of palfies, a tensive pain in the head, a nau. which can neither be cured by foo sea, a vomiting of thick froth, mentations nor baths. '. These ail. and his head remaining as it were ments might likewise be occasioned for many days full ; but if the va. by burning the parts of animals. pour be dense, nothing of these If a place infected with the naftieft particulars is perceptible, but the insects, as bugs or fleas, is shut up. affected die senseless. This va. close. in all parts, and the bones pour, however, is not attended of animals, or hartshorn, are laid with any inconveniency, if a quan, on the open fire, and the smoke is tity of sea-falt is sprinkled on the hindered to pass out, all these ani. fire, or if gunpowder is set fire to mals are killed ; and greater aniin the clofe room. But when the mals may also be killed by the like ill effects have taken place, the smoke. · The wings of partridges, beft remedy is to fprinkle cold which about with a volatile Talt, water on the bodies, and to throw being burnt, have often excited it upon the face and bare bosom. hysterical passions, and epileptic If cold water be thrown upon ani. fits, where they were not, and mals that have died in poisonous disli pated them when they were caverns, they are immediately present. A dog, killed in a heat brought to life; and hence, if of 146 degrees, of Fahrenheit's. men, who have died by the va, thermometer, emitted such a hor, pour of coals, were as soon as rid and noisome stench, that those possible treated in the same man who came too near it in a mo. ner, they might also perhaps be ment swooned away. In like man. brought to life. In such case, ner, by the force of fire, dreadful however, this remedy is never to fymptoms are excited from foflils. be neglected; for here there is no Aretæus observes, in his chapter on corruption, but a mere rest of all epilepsies, that the strong smell of the moving parts, and in other the gagates stone had immediately,


brought on epileptic fits. Fire, pears from women that give fuck, acting on cobalt, which seems to or the pregnant, who, by this pro. be entirely inert, raises a thick perty of the common senfory, white vapour that kills every ani- change the fetus in their womb. mal, and this vapour, fixing upon I have seen my self an instance of a the ceiling of a room, concretes healthy woman fuckling a very into a white flocculent matter, healthy child, who was so difturbed called arsenic, which is a moft by another woman scolding at her, potent poison. If this cobalt, and so irritated as to be all over mixed with other fossils, and wrap- in a tremor; yet, by suckling her ped up in a paper, be kept in a child in this condition, it was im. wooden box, it will eat through mediately convulsed, and remained both the wood and the box; and epileptic. Who now will say whát if this happens in so small a degree could be in her milk, and how it of heat, what must it be, when could receive the power of prothis body is agitated by fire, ducing those corporeal changes ? How fixed is nitre, whatever way But it hould be a point of pro. tried! If it melts in the fire, it dence with a nurfe never to fuckle remains fixed and mild ; if bolas a child when she is under any dir. or uncalcinable earths are mixed turbance of mind. We can in with it, and both exposed to the fome, measure account, why a fire, it will yield a spirit, volatile drunken nurse inebriates a child; like alcohol, which corrodes and but we cannot so easily understand, diffolves all things, except gold how milk can be so far changed, and glass; and it is very hurtful merely by the pallions of the to the lungs. The same way a mind. spirit ascends from fea-salt, which The same may hold true in corrodes all things. If fulphur be pregnant women. 'There perhaps sublimed ten times, it remains arises in the pregnant mother a mild, as before ; but, if set on fire, certain idea: if it be frequent and it kills animals, and corrodes and customary, it does not affect her; conftringes all things:

if unusual it sometimes affects her, and sometimes not. This

idea proceeds fometimes from On the effect of the imagination on a seeing or hearing, or from the different body. From the same. imagination alone, or the appetite

alone. The sudden light of a THAT muft we think of thing not seen before impresses VV that action excited in the on an infant the figure of that common sensory by the help of thing. From hearing the history ehat faculty we call the imagina- of some dreadful misfortune or tion, which fo disposes the com. calamity, the frighted mother im. monofenfory from internal causes. bibes a similar efficacious idca; as it was before disposed from ex. and the same happens as often from ternal ? For my part, I say, that the imagination, dreams, and that the force of the common senfory is depraved state of the appetite called exerted by a true corporeal effect longing. out of the human body, as ap A very handsome lady, yet one


of ftri&t morals, and abstaining motion is made in the body that from all manner of excess in the changes its actions; then a cold use of wine, being with child, tremor trickles through the bones; conceived a longing for drinking as Virgil says. He that is ill of an Rhenish wine. She long struggles ague enjoys some days of health ; against this passion, her husband but he perceives a cold shivering, examines her about it, and she at and the fever soon comes upon laft confesses what it is : he takes him. I have heard from the exher to a wine-cellar in Amsterdam perienced, whilst the plague was where the drinks so great a quan. rife, that, as soon as they felt a tity, as would fuddle cwo stout men sensation, as it were from cold wa. yet no harm ensued to her form ter being poured upon them, they her copious draught; and, when were immediately taken ill of the The had once satisfied her longing, plague. We shudder in the like the remained afterwards free froin manner, when the variolous poi. it. Another women had an ex. son infects us; when the ftitch of cessive longing for eating a morsel the pleurisy invades us; and that out of a butcher's shoulder, and shuddering penetrates through the could enjoy no reft, till she had whole body : men feel then somefound means once to bite him. thing cold, which suspends, as it

A princess was delivered of a were, for a time the vital motions; black daughter, by only seeing and it is propagated with tremor, for the first time a blackmoor. and almost changes the whole As this woman had never been body. I would be glad to have left alone, but was constantly at- a preceptor, who could explain to tended with the greatest care, all me, how and whence this horror fufpicion was void of any com. arises. nerce with a black. This idea, I also observe pregnant women once given birth to, does not rest; to have had, in almost all these it occupies the whole sensory, and cases, a spontaneous motion, and every moment quickens the wo. to have applied their hand to a man's fancy.

certain part of the body, and that But so unusual a thing must the fætus then retained the mark strongly affect the very moment; impressed in the same part; if for, if it affects but little, it will they had not moved their hand have but little efficacy : but, if it to it, scarce any thing heterobe so forcibly impressed on the geneous would have happened. mind, as that the woman should Hence women with child should say her whole inside is moved, be cautious of moving their hand then a future veftige of the evil is to a part that is not covered by boded; or if, in the very time of their cloaths, left the deformity fuch an idea arising, a borror and might afterwards be conspicuous. tremor are felt shaking the whole But there is a similar faculty in body, it is an infallibie sign that every man, which we cannot una veftige is left; which does not derstand : Suppose a person's eyes happen, if there be no horror. inflamed, and, as it were, spark

All physicians observe, that there ling with fire; if you look at him, is always a horros, when any com, you will also rub your eyes. He


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