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But, as Virgil says of the countrymen, the manfion, in which pleasure had

O fortunati nimium, sua fi bona norint! wantoned, and in which learning had In our youthful days, we are un- displayed all her various allurements, acquainted with the various advan- was rendered by this one sad stroke, the tages, which might follow, if we did seat of misery. not neglect the opportunities that

that ; What a reverse! long was the time, offer; and were not more solicitous in and many and severe were the pangs of the pursuit of pleasure, than of rational Dinarchon, before his philofophy, or inquiry, and solid knowledge. his reason could mafter his grief. At

Some little artifices, therefore, are length, however, the affection of the allowable, and may be practiced, in father, and the duties which he owed order to restrain the ardour of youth, his son, abated his affliction, and he from the attractions of pleasurc and again appeared to submit to the decres dissipation, and bend his thoughts to of Heaven without regret. the acquisitions of learning, and his The education of Eutyches now footsteps to the paths of virtue. totally engroffed his thoughts. He

The following story was brought to fent for the best initructors in every our recollection by the train of reflec- art and science, to superintend him. tions which gave rise to these senti- The care of watching his dispositions ments on education. We do not re- he took upon himself, as he juftly member the author of the tale, but as judged it to be too important a trust it is applicable to our purpose, we shall for any other, as he had now arrised present it to our readers, without apo• at his sixteenth year. logy or preface:

He discovered in him an insatiable During the happy period, in wkich passion for letters, and observed that he the government of Sparta ficerished attended to the instructions of his vaunder the legislation of Lycurgus, rious tutors with eagerness and plealived Dinarchon, a nobleman, on fure. Dinarchon again seemed to enwhom fortune had, with a lavish hand, joy life, and to be again susceptible of beitowed her favours. His manfion, the comforts of society. One only which was a few miles distant from drawback prevented the completion of Lacedemon, was the resort of the his happiness. He perceived that his wealthy, the witty, the learned, and son was a most ardent admirer of the the beautiful. Nor were ample pof- female sex, subject to the dominion of sessions the only endowments which an eye, and influenced too much by mere bestowed on Dinarchon:

Dinarchon: his the charms of personal beauty. per fon was graceful and elegant, and Even the delight with which he

conversation was rendered attractive listened to the precepts of philofophy, by eafe, sense, and variety.

the effufions of poetic fancy, and the Such was Dinarchon. He had early narrations of history seemed to abate, in life united himself with a fernale, in when a visit was to be made to a beauevery particular, worthy of such a

tiful woman, or when the attractions partner. They were blessed with one of any feinale guest allured him from child, a son, whom they named his tutors. Eutyches. Thus did domestic en- This trait in Eutyches was observed jovinents render almost perfect the fe- with infinite pain and regret, by his ticity of this noble Athenian, whom parent, who began to fear that his son a:Huence of fortune made the delight irould fall a prey to the designs of meof the poor, generosity of temper the retricious contrivance, and that his example to the rich, and extent of hopes were nearly receiving a most fatal knowledge the ornament of his blait. He knew that advice would country.

very probably fail, as in any favourite

, But how uncertain and delufire is pursuit, human nature usually follows human happiness. In the midst of all the ruling pailion implicitly. On this these gay scenes, his wife was carried account he determined to endeavour at nit luddenly by a vicient fever, and leat, hy foine innocent artisice to wean

him from this unrestrained adıniration, in order to attain such an height of which might involve him in numberless happiness.” difficulties, and at laft, perhaps, prove The news of thefe obstructions renhis utter ruin, as the vivacity of his dered Eutyches more eager than ever, remper would not conduce to render The father ftill feemed to deny, and kim capable of withstanding the fe- the fon pressed, with redoubled ardour. ductions of the world.

At lengih, Dinarchon, apparently overThe tear of affection would often come by the vehemence of his folicitatrickle down his cheek, while he at- tion, thus addressed his son: “ I can tended him, and by the general tenor no longer withitand the vehemence, of his conversation, wilhed to convince with which you urge your request, but him, that virtue was the only path to will instruct you, in a mystery, that seal pleasure. At length, he thought may teach you the means of acquiring of an expedient to render pleasure the a treasure, at least equal to that repres passage to virtue, and resolved to put sented in yonder painting. his plan into immediate execution. “ That picture is copied from an

Dinarchon, therefore, led his fon, original, preserved in the Temple of as if accidentally, into a gallery of Diana at Ephesus. Remember, there, pictures, which had been collected by fore, Eutyches, to observe an inviolable his anceitors, and to which he had made secrecy, and not to deviate in the leaft large additions; and then pointed to particular from the injunctions of the one of the performances, in which the mystery, into which I am now going genius of the painter had displayed all to initiate you.

to initiate you. Remember the bet its powers, in the design, and in the trayer of the secret, and the non-ob. colouring. “ Look at that piece, my server of the mandate, are always put boy, said the father, observe the ex- nished with death, Confider, there: treme beauty of the female, and how fore, before I proceed, whether your admirably the raptures of the youth courage will support you with firmness, are painted, whom she is embracing in the trials, which the Goddess will with extacy, while he is on his knees, impose.” before her!"-" Who can wonder at Dinarchon paused. Eutyches looked his raptures (returned Eutyches) when again at the picture, and defired his he contemplates the divine figure who father to go on, as he was prepared to is blessing him with such an embrace? suffer any hardships, in such a cause. the master piece of Heaven almost “ The youth, then, resumed Diseems in his poffeffion. O happy youth! narchon, whom you behold there, was O enviable itate!"_“You speak, in- a native of Cyprus, and an enthufiaftic deed (said the father) as if you envied admirer of women, and fell in love with his fituation Nay, one would almost an ideal object, a beauty, created by be persuaded that you would purchase the powers of his own iniagination. such a treasure at any expence! But One day, as he was litting beside you speak with too enthusiastic a a stream, and contemplating the vitionwarmth of a poffeffion which may so ary form, a deep sleep seized him. In easily be obtained."" So easily a dream Diana appeared to him, and (quickly cried the fon) so easily! Oh! told him, that if he would retire in. how? where? by whom? If I can ac- stantly to Ephesus, and keep his chaticomplish a design, that must teem with ty inviolated for the space four years, so much rapture, O tell me the means ? and devote his time to the cultivation Do not hesitate to render your child the of his mind, that he might in some moit happy among the 'fons of the measure be worthy of such a possession, earth.”—" It would not be an arduous she would grant him all his wilhes. A talk, my Eutyches (said the father) beauty, faid the Goddess, as tranbut I am afraid, that the impetuofity scendent in shape, and as amply of your temper, renders you incapable blessed with mental qualifications, as of such an undertaking. Great felf. the female who now engages your denial, and long delays are neceflary, attention, thall be yours. Go then

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time; and, therefore, M. Lexell, who this planet's orbit; but every one fuphappened then to be in England, applied posing it a comet, and not a planet, rehimself to compute, as well as the few volving round the fun in an orbit nearobfervations of which we were then in ly circular, the diameter of which was poffeffion would admit, theelementsofits about 18 times that of the earth, though orbit, in the same manner that the ele- they represented some of the observaments of the orbits of comets have been tions well enough, yet others, made usually computed: that is to say, by within a few days of these, were very assuming the perihelion distance of it far from the truth. The President from the sun, and then describing a pa- de Saron, indeed, so early as the 8th rabola with this focal distance, through of May, declared that its distance from three assigned points, or observed places the sun could not be less than 12 times in the hearens. In the process of this that of the earth, from the observations business M. Lexell assumed, one after which had hitherto been made to agree another, the feveral perihelion distances with any tolerable exactness to the com6, 8, 10, 12, 14, 16, and 18 times the putations. In the beginning of June distance of the fun from the earth; bat the Abbe Boscovich printed a very learnhe found, on comparing these several ed memoir on this subject, in which, assumptions with the observations, that by a very simple and ingenious process, when he assumed the perihelion distance he shewed that there were four differsomewhere between 14 and 18 times ent parabolas which the planet might the distance of the sun from the earth, be supposed to move in, and yet to the calculations agreed best with the correspond equally well with the obferobservations: it appeared, however, to vations that had then been made. Soon him then that it was almost indifferent after M. de la Place gave us elements of what perihelion distance he took be- this orbit in the Connoissance des Temps tween these two limits, as the agree- for 1784, deduced entirely from the ment of the calculations with the ob- observations of M. Messier. He made servations was nearly the same in every the perihelion distance 9.4404; the one of them; but, in some degree, time of the perihelion January 27th, faulty in all: and as it was impotible 1790, at 6 h. 19' app. time, by the to determine whether this disagreement meridian of Paris, and its place ing 28° arose from the small errors which the 12'3017. observations were liable to, or from the On the 16th of July the planet was assumption of a false hypothesis, he again obferved by Profeffor Hornsby laid the business afide until observations at Oxford, after its conjunction with better suited to the purpose could be the sun; and a day or two afterwards obtained. Some, however, found that by the Astronomer Royal at Greenwich. all the observations would agree better M. Messier observed it on the 15th, with calculations founded on an hypo- at Paris; and these three gentlemen thesis nearly circular, than any other, continued constantly to observe it, when and that the radius of this circle ought the Itate of the heavens would permit to be about 18 times that of the earth's them, to the time of its opposition with orbit. 7 his circumilance seemed strong- the fun; which happened, according to ly to favour Dr. Maikelyne's furmise, M. de la Lande's calculations, from that the newly discovered ftar was a the observations of M. Méchain on the planet, appertaining to our fyftem; 21st of December, at 18 h. 3', mean and his opinion would have gained time at Paris: the place of the planet ground faster than it did, if Mr. Her being then 5 0° 20'15", and its geoschel's observations of its diameter, the centric latitude 0° 15'0"N. very extraordinary accuracy of which Towards the latter end of the year, he strongly insisted on, had not tended Mr. Lexell having informed M. de la to prove that its motion was then al- Lande that in England its motion was vemolt in a direct line towards the earth. ry well represented by a circle, fet about

Trials were made abroad by different computing the elements of its orbit on perfons to determine the elements of that hypothetis. He made choice of

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three observations, which appeared to Finding his hypothesis to agree fo him very good ones; being all con- well, thus far, M. de la Lande profirmed by those which immediately ceeded to calculate about 30 other obpreceded and followed them: the firit servations, made by Dr. Makelyne, and last were by M. Méchain, and the M. Le Monier, M. Mesfier, M. Méchain, second by M. Mefier. The firft of M. D'Argelet, M. Levcfque; and these observations was made the 25th himself; fome before, some in, and of April, the second on the 31st of others after the interval of 231 days, July, and the third on the 12th of above spoken of; and he had the satisDecember, 1781: all before the first faction to find they all agreed, reasonopposition of the planet with the sun. ably well, with the computations, exFrom these observations M. de la Lande cept two which were made about the deduced the geocentric longitudes and beginning of April 1981, and a few latitudes of the planet; and by assuming made in the course of lat summer. In its distance from the sun, he calculated these calculations, M. de la Lande fupthe parallax of the annual orbe, and posed that the heliocentric longitude of from thence the heliocentric longitudes the planet on the ift of January 1782, and latitudes, at the time of the first at noon, by the meridian of Paris, was and lat observations: thus he obtained 35.00 59' 22'', and its motion with the motion of the planet, as seen from respect to the equinoxes 4° 22' 22" the sun, in 231 days, the time between annually. He used the solar places of the observations. Using still the fame M. de la Caille. distance which hohad assumed for calcu- Finding that the errors of his hypolating the parallax of the annual orbe, by thesis amounted to 2' in July 1782; the help of Kepler's rule, he computed M. de la Lande fet himself to examine the time of one revolution of the wliat alterations it would require to planet by the fixed stars; and thence its make the calculations agree with the motion in 2 31 days from the mean equi- observations made about that time, as nox; which motion should be the faine well as with those made in the begin. as that seen from the sun, and deduced ning of April 1781, and found that to from the observations, supposing the do this the distance of the planet from afsumed distance of the planet from the the fun must be 18,893, the time of a fun to be true. But as it turned out revolution 82,12 years, the mean daily otherwise, he varied the distance of the motion, from the equinoxes, 43",22, planet from the sun, and repeated his and the mean heliocentric longitude, calculations, until the heliocentric mo- on the ift of January 1782, at noon, tion, computed by this means, from 38 10 10". But he found also, that the observations, agreed with that if he adopted these numbers, the caldrawn from the interval of time and culations would differ from the obserduration of a revolution, found with vations near a minute and half at the the same distance. In this manner M. opposition, in December 1781; he, de la Lande found that it was necessary therefore, concluded that these anomato fuppose the distance of the planet lies indicated an inequality in the real from the fun 18.931 semi-diameters of motion of the planet, agreeable to what the annual orbe, and the duration of a is observed in the motions of the others; revolution 82,37 years. He afterwards but that this inequality is so small as to took the observation of the 31st of Ju- render it unnecessary, at present, to ly, between which and the first of the seek for any other orbit than a circle; three there was an interval of 97,24 and that we must not expect to discover days; and calculated, by means of the the true quantity of the central equaelements deduced above, the geocentriction without the observations of many longitude, which he found to be only years. 5" more than that deduced from the M. de la Lande has also made fome observation; a greater agreement than eslays to discover the place of the node, the observations require, as they can, and the inclination of the orbit of this by no means, be depended on to twice planet to the plane of the ecliptic; but

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the small motion in latitude renders it and, moreover, notwithstanding he had very difficult to determine these points searched very carefully for that flar in with any tolerable certainty at prefent: the heavens he had not been able to the geocentric latitudes observed on the find it. Should this suppoiition be 25th of April and the r2th of Decem- well founded, and Mr. Mayer's origiber, 1781, were 11'35", and 14' 54', nal papers, where he minuted down the Dorth: which being reduced to the sun, observations wilich he made for detergive the heliocentric latitudes, at these miring the situations of the fears in two times, 11' 59', and 14'8"; and that cataiogue be found, as it is

prothese, with the motion in longitude bable they may;* those observations between the two obfervations, 2°46'3", would be of the utmost importance in give the planet's distance from the node, settling the mean motion of this planet, on the 25th of April, 1701, 15° 4', as well as some of the elements of its and of course the place of the node orbit. 24 12° 55' The inclination comes out In April, 1782, M. Bod composed 0° 46'.

another memoir on this subject, in Again, the observed geocentric lati- which he observes that 'Tycho placed a tudes on the 16th of April 1781, and star of the sixth magnitude a little above on the 26th of March 1782, were 11' u in the tail of Capricorn, which He48", and 15'5", and the heliocentric velius, after the most laborious search, latitudes deduced from these were 12' could never find: he, therefore, con7", and 15'10"; the aifference of the cludes that this star also was the Georobserved longitudes was 4° 7' 44'; and gium Sidus; more efpecially, as his these give the place of the node 2° 12° calculations place it very near that fiî'; and the inclination of the orbit o tuation in the beginning of 1587. 44. M. de la Lande thinks this de- These circumitances have induced termination rather more to be depended M. de la Lande to wish that the small on than the former. According to these stars which are placed in M. de la numbers the planet paffed its node about Caille's catalogue, about the equifour years ago, and it will be at its noctial point Aries, were re-examined; greatest north latitude about the year as he is in possession of that aftrono1798.

mer's original observations; and, there. M. Bode, of Berlin, who has been fore, if it thould appear that any one very affiduous in observing this planet, of those ftars had disappeared which he published a merroir upon it in the E- places near the fituation the planet muft phemerides Allemande, for 1784, print- have been in about the year 1761 or ed in the latter end of 1781. He 1762, the time when M. de la Caille also adopts the circular hypothesis; and made his observations, there would be found, that to make the observations the greatest reason to suppose it must agree with the computations from it, have been this planet. For the same the distance must be 18,928. He ob- reason, it would, perhaps, be adviseable ferves afterwards, that the star, No.964, to enquire into the situation which this in Mayer's catalogue, where the places planet was in when Mr. Flamstead and of the stars are adjusted to the begin- Dr. Bradly made their observations; aing of the year 1756, was very pro- and whether fome one of the stars, bably the GEORGIUM SIDUS, because, which they have placed in that part of according to his calculations, the pla- the heavens, may not have left it; as net muit have been very nearly in that by this means we may, perhaps, meet fituation about the year 1755 or 1756: with obserrations sufficient to settle the

theory Since this was written, I have seen a letter from M. Méchain, of the Royal Academy of Sciences, at Paris, dated June 18 h, in which he assures us these papers of Profesior Mayer åre found; and that it appears from thence this celebrated altionomer observed the far, 964 in his catalugue, but once, If he had been lucky enough to have obleived it a fecond time, he null have made the discovery which has been reserved for Mr. Herschel. How equally's and frugally, Providence dispenses i's bounties of every kind! M. Mayer's labours and discoveries were alieady sufficient to perpetuate luis name; and aceded not this addition to them.

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