but the twigs in the empty phial forth their eggs, and after a few being withered, the eggs perished; days existence, to fulfil the wise yet I have observed that on twigs purposes of their maker, close the accidentally broken off in the period of their lives by an easy. woods, if they lie near the ground death. How astonishing therefore in the shade fo as to be kept moist, and inscrutable is the design of the eggs in them will hatch in providence in the production, of their due time; but in those that this insect, that is brought into are exposed to the fun, they surely life, according to our apprehen: die.

fion, only to fink into the depths The young locusts that were of the earth, there to remain in hatched in the twigs in the phial, darkness, till the appointed time ran down the twigs to the water, comes when it ascends again into on which they floated about four light by 'a wonderful resurrection! and twenty hours, and then died; The means by which they are enathose that were haiched in the bled to continue their fpecies, is twigs in the pot of earth, ran no less fingular than their manner down the, twigs immediately to of existence. The females are the earth, and entered it at the furnished with a bearded dart, first opening they could find, with which they pierce the tender which they searched for eagerly, shoots of all trees chey happen to as if already sensible of danger, light upon, without regard to fitu. by being exposed to the light of ation or species, many therefore the fun.

. perish by the quick growth of the I have observed that in the na. trees in which the eggs are darted; tural way the eggs are usually and more perhaps by being laid in hatched in fix weeks ; but if, by twigs that hang over it reams or the luxuriance of the growth of standing waters. The dart by the shoots into which the eggs are which the operation is performed darted, the rind of the tree closes consists of three parts; a middle, and confines them, they will in and two sides : The middle is that fituation remain several hollow, through which the eggs months, till by some lucky acci- are darted, and the two sides serve dent they are disengaged, and for a covering to defend it. These

then they will hatch in a few mi.. may easily be taken apart, by * nutes after, and seek their retreat Nipping the middle through the :: ' in the earth, in the same manner grooves of the coo sides, and it is

as those hatched in the usual time. by Nipping the two outfide parts But many perilh by being thus by each other rapidly, that they imprisoned.

work a kind of llant hole in the Viewed through a microscope fost twig they make choife of, the moment they are hatched, they will they reach the pith, and then appear in every respect as perfect they eject their eggs into it to the as at the time of their laft trans-, number of twelve; when this is formation, when they rise out of performed, they begin another hole the earth, put off their scaly co. close by the side of the former, and vering, expand their wings, dis- so continue to work till they have play their gaudy colours, dart carried along iwo rows; each pow


confisting of twelve or more holes. out of which they crawl, leaving !

They then remove to another twig, it sticking faft behind. Thou. and proceed as before-; and fo from sands of these cafes may be seen in twig to twig till they have ex. a morning, sticking to all parts of haulted their store, after which trees, which being hardened in they foon expire.. .; ľ the fun, have a scaly-like sub1. I have not yet been able to dif ftance, which not being flexible, cover the full depth to which these after it is dry, often fo incumbers little animals descend. Some, I them before they can put it off, have heard, have been found thirty that many perish in the attempt. feet deep. I myself have seen For this reason, they always chufe them ten.

the night for this opération ; and They do not, however, feem wait for the enlivening influence to travel to any great distance ho. of the warm sun to strengthen and rizontally ;' for they are feldom give consistence to their wings, found far from the woods, 'unless which at first are white, soft, and in grounds that have been newly moist, but foon assume a dark cleared. It often, however, hap. brown colour, with a firmness that pens, that in the long period of enables them to fly, and a tranf. their torpid state, great tracts of parency that adds a beauty to their country are cleared in North Ame appearance, which before was rica from trees, and coverted into wanting. arable or pafture; hence it is no It is remarkable, that in every unusual thing to see them leave state of this insect's existence, it is their cells in those plain grounds, eagerly pursued for food by others. and hasten to some adjoining fence In the very egg, it is the prey of to put off their incumbrance, and ants and birds of every kind ; in prepare themselves for flight. This that of the grüb, by hogs, dogs, they do always in the night, by and all carnivorous animals that crawling to some tree, along a can unearth it : and in its most fence, or among bushes or strong perfect state, not only by many grafs ; and it is remarkable, that kinds of beafts and birds, but even chey differ in this from every other by men, many of the Indians, it

infect in this chrysalis state ; for is said, feeding sumptuously upon - instead of being wrapped up in a . them.

plain covering, which confines the Soon after they arrive at their inhabitant to a certain spot till it last state of transformation, they bursts, they have a covering fitted seek mates to enable them to con. to their form, in which they can tinue their fpecies; and in this too travel to a considerable distance; they are very singular; the female, and which they cannot leave till as has been observed, is furnished they find some solid substance, in with a dart, the shaft of which, which they fix their claws, and takes its rise below the middle of then, with an effort which re. the infect; on the contrary, the quires the utmost exertion of their male projects his dart from be.

strength, they burft their case, hind, and fixes it near the shaft of · which always opens from the shoul. that of the female, where it reders to the fore part of the head, mains for many hours together ;

during which time, they are not became the inward : and having to be separated without lacera. poured water into it to about three tion,

fifths of what it might contain, During the season of copulation, immediately after the water began from sun-sise to sun-set, the noise toooze or drop out at several they make is so loud and perpe. places, and in twelve hours time tual, that little else can be heard the half of the water was already in the woods where they abound; run out. This water, fo filtrated, and it is doubtful, whether, dur. was tinged with a very deep red ing this season, or indeed, during colour, though the bladder seemed their whole time of existence in clear and transparent before the this state, they eat any thing, or experiment. Hence it was judged, subfift only by lipping the dew; that the strong tension of the bladfor which purpose they seem to be der, when it was filled with air, furnished with a long tube, extend. had made the blood to pass out ing from their heads Alat to their that was contained in the infinity breast, and terminating between of the small blood vessels with their legs, without the power of which this membrané is diffemi. altering its position. Other than nated and that this blood, which this tube they seem to have none was shed between the fibres, had for the purpose of subfiftence. In been carried off by the water that short, the natural history of this oozed through, and gave it this little infect, seems highly to de. Atrong tincture. In fact, the bladserve the attention of the curious. der became very white after the M. BARTRAM. water was entirely run out,

Hereupon M. de la Hire con

jectured, that the membrane of the Experiments on a hog's bladder.

bladder must be pierced with an From the history of the Royal infinity of small holes, each fur. Academy of Sciences at Paris.

nished with its valve ; and that

those valves are so disposed, that · De la Hire has given an water may enter therein from withI I. account to the academy out inwardly in the natural state of of some very curious experiments - the bladder; but, on the contrary, he had made on the bladder that neither water nor air can pass Having taken the bladder of a hog through it from within outward. quite fresh and very clean, he filled ly, howsoever great the compref. it with air, till it appeared to be as fion of the air may be when shut tense as it pollbly could be. In up in this membrane. The most this state there was no room to proper

proper construction of those valves doubt of its being exactly, closed for producing these effects, is ac. up, and that the air could not get cording to M. de la Hire, the lame out of it: but, having made an as may be observed in the valves aperture in the bladder, it Aagged of the colon of some fishes. The immediately of itself: Afterwards, valves of the bladder will there. whilft it was ftill quite fresh, he fore be as papillæ formed by a duct turned it so as that the part that that proceeds by diminishing to. was outward in the natural taie wards the interior of the mem.


brane, and which may give an easy of that work had in view three entrance to the surrounding li. different kinds of nuts, and that quids; but which, on the contra... their meaning is, that the nutmeg sy, Thut exactly the passage from is of service to health, that the within to without in flatting and common nut is, on the contrary, Jying upon the internal body of hurtful to the body, and that the the bladder.

nux vomica is a sort of poison. M. de la Hire drew from this But what should one think, if I experiment some conjectures in re. undertook to prove that the nut. gard to the dropsy, which, accord meg alone poffèffes these three dif. ing to him, might be only a dif- ferent qualities; that it is at the temper of the bladder, whose pores fame time salutary in certain cases, or apertures should happen to be in others dangerous, and that it is ftopt up by some cause or other : sometimes mortal; and that conIn this state it is easy to compre- sequently the verse of the school hend it would no longer receive of Salernum had no other nút in the waters of the lower belly, view but this? Be the matter as which come there continually by it may, I shall relate, in a few pafling through the membranes of words, what I observed touching the stomach, as M. Mery has ex- its properties and effects. perienced.


Å gentleman of Lower Silesia, It is, perhaps, also, by this way, about thirty-fix years old, of a that the mineral waters which are good conftitution, and who en. drank, are so easily and readily joyed a good state of health, have evacuated. . . .::.

ing felt, during some days, a belly. ach, occafioned by wind, took it

in his head, in order to mitigate Observations on some extraordinary

the pain, to eat four nutmegs, Symptoms occafioned by nutmeg which weighed altogether two taken in too great a qnantity. By ounces, and he drank, in eating Dr. Jacob Schmidius, From the them, some glasses of beer; which Ephemerides of the Curious. he had no Tooner done but was

seized with a great heat, a violent Unica nux prodeft, nocet altera, tertia

pain in the head, a vertigo and mors eft.

Schol. Salern. delirium, and instantly deprived One nut is wholesome, a second is hurt. of the use of fight, speech, and all · ful; a third is mortal,

his senses. He was put to bed,

where he spent two days and two CEVERAL authors pretend nights ; his body was oppressed

that it is the common nut with lassitude, always drowsy, yet which is pointed out by this verfe without being able to seep. Being of the fchool of Salernum, and called upon to see him the third that it was only intended thereby day, I found on him all the sympto signify, that, in general, it is toms I have 'related, and he was an aliment of a very bad quality, in that lethargie state which is in whatever small quantity it may called a coma vigil, with a weak be eaten. It appears, however, and intermitting pulse. I made more probable, that the authors him immediately take fome cepha.


third is mortal

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lic remedies, cordials, and, among animal spirits fo exalted, and inothers, the spirits of cephalic vi. tercepting their course in the triol, and the essence of caftoreum, nerves, had afterwards caused the in good spirit of salt ammoniac. ftupor in the limbs, the aphony, The fourth day he recovered a and the palfy.21 But I leave others little out of his lethargic state, to give us an explanation of these but had absolutely lost his 'me. phænomena, and I have only in mory, so as not to remember the' view, by communicating this ob. least thing he had done in his life. fervation, to Mew that the immo: A continued fever then came upon derate use of nutmeg may be athim, accompanied by an obfti. tended with very great danger. nate watchfulness; a palpitation

of the heart seemed to be the fore. runner of other symptoms, and he An account of a dwarf kept in the was finallystruck with a palsy in palace of the late King of Poland. all his limbs.

Translated from the lift vol. of At the expiration of eight days, Buffon's Natural Hijtory,'' juf he recovered the use of reason, and

published. "" told us, that, during the first four days of his illness, he seemed to THE parents of this dwarf himself to have constantly a thick 1 were healthy strong pea. veil before his eyes, and that a fants; who affirmed, that at the great number of sparks and flashes time of his birth, he scarcely continually issued from it. All weighed a pound and a quarter. the bad symptoms of this malady It is not known what were then yielded at last successively to the his dimensions, but one may judge continued use of remedies appro- they were very fmall, as he was priated to his fate ; and in three presented upon a plate to be bap. months time he was perfectly re. tized, and for a long time had a covered, but he was particularly wooden shoe for his bed. His indebted, for his cure, to mercu. mouth, though well proportioned rial and ammoniacal remedies. 1. to the rest of his body, was not

According to chymical princi. large enough to receive the nipple ples, it might, perhaps, be said, of the mother; he was suckled that the aromatic and oily falt , therefore 'by a goat, and she përcontained in nutmeg, of which formed the part of a nurse admi. this patient had taken too large a rably well. When fix months old, dose, had immediately exciied so he had the small-pox, and reco. great an agitation in the humours, vered without any other allistance and so rapid a motion in the ani. than the care of the mother and mal spirits, that in some measure the milk of the goat. At the age they had contracted an igneous of eighteen months he could ar. nature; and that a viscid and nar. ticulate some words. At two coric sulphur, which resides like. years, he could fupport himself wife in the nutmeg, though in a upon his legs, and walk almost less sensible manner, being carried without affiftance; a pair of shoes at the same time into the mass of were then made for him, which the blood, by suddenly fixing the were no more than an inch and a


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