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countable, as he would explain them an inch ? -The twelfth part of a foot. in such a manner, in his publication, With that ready ingenuity which !! as should satisfy scepticism itself. adapts itself to every emergency, the When he had arrived at that point, Doctor took up a large round stone, where the attractions of the moon and and, drawing several threads out of !! of our orb balance each other, his bal- his handkerchief, which he fastened ! loon was a considerable time in doubt to each other, and round the stone, what course to pursue; and would he suspended the apparatus to the u certainly have remained there in jeo- branch of a tree, which projected pardy to all eternity, had not a lucky laterally. Then looking around, and impulse from one of the before men- making an allowance for the buoyancy tioned eddies, inclined it some frac- and temperature of the atmosphere, tions of an inch (the exact quantity he as well as for the attraction of a moun intends computing) towards the for- tain, which he observed peeping above mer of these globes. It now assumed the horizon, he took out his watch, E a rapid movement onwards, when the and set his pendulum a swinging, to ? Doctor suddenly experienced a violent find what length would vibrate seconds concussion on the head, which ren at that latitude. After swinging its dered him senseless. This was no with great patience for two hours, the other than a shower of meteoric stones, thread gave way, owing to the Doc-? that was proceeding on a visit to our tor's jerking it rather too suddenly; earth, and was attracted, by a sym- but this he quickly replaced, and conpathy or particles, to that uncivil inva- tinued the experiment, computing the sion of the Doctor's person.
movements lost from the doctrine of When Heidelberg recovered, he chances ; as he considered that, in found himself landed near a large pit, observations of such delicacy, the sele that appears from our globe like a domer they were repeated the better. dimple on the moon's chin; and his Then shifting his point of vibration balloon, at a little distance, entangled for a centre of suspension, he set the amongst the bushes. Nothing could other end of his pendulum in motion, be more enchanting than the sur to verify the experiment. After rounding scenery. Rows of poplars watching the thread, shaking about and of elms here presented a grateful in the wind, for a time corresponding shelter from the solar beams, and to the first, he took the means of all there the majestic oak and cedar a the observations; and having now obsecure refuge to the eagle and the vul- tained a determinate measure, he took ture. Fields of waving corn and of down the apparatus. But he was smiling meadows occupied the plains, again at a stand for want of something bounded by groves of evergreens, to compute angles with. While in where the birds, in ceaseless carols, this perplexity he perceived a strange filled the air with their melody. Here figure, mounted upon an animal, someand there, too, on the plain, was seen what resembling the fabled being of a a flock of sheep, and several grotesque griffin, emerge from the woods, and figures, that looked like the Sylvan advance swittly towards him, with deities of the Planet. There wanted kind of movement between bounding only the meanderings of some rivulet, and flying. He was above the size of or the plashing of a waterfall, to con a man, but resembled him in other stitute the place romantic ground. respects, except that his feet were Without in the least minding this parted, like a goat's.
A single garcharming prospect, Heidelberg had no ment was passed with numerous folds sooner shook his limbs, and found around his body, and came upon his them not materially bruised, than he shoulder in a knot, that added a diga set himself to measure a degree of the nity to his benign aspect and silvery meridian with the utmost alacrity. locks. The only notice that Heidel. For this purpose he seized the branch berg took of this grotesque apparition, of a tree, and was proceeding to the was that of making him a sign of what measurement of a base line, when he he wanted. recollected that he must have some The Lunarian pulled out a small thestandard length to measure with. ololite, which he offered to our phiWhy, take a foot, to be sure, thought losopher, who immediately flung the he-But how much is a foot ? --Twelve instrument, with all his might, into inches certainly-And how much is the moon's dimple, and asked him, in
a passion, if he did not know that the tus of their own; which they have three angles of a triangle, had been brought to such perfection as to have discovered to be greater than two right made the most surprising discoveries. angles? The Lunarian, smiling, asked Their telescopes bring the sight with. him in Latin, whether, since the moon in a very few miles of the terrestrial was in motion through absolute space, globe, so that they easily distinguish at the same rate, and in precisely the our towns and rivers, fleets and arcontrary direction to that in which he mies. Heidelberg has procured the had projected the instrument, it could most accurate maps of the regions be positively said to have moved or within our polar circles, together with not? Certainly, said the doctor, it has tables of the curvature of the earth, never stirred, but the moon ran a to the hundredth part of an inch; gainst it; likewise, he observed, the from which there appears to be a difgravity of the machine is increased, ference of some inches between our since it has approached the centre of two hemispheres, that will occasion the planet. Well then, returned the an alteration of our geological systems. Lunarian, whose name was Zuloc, But their most profound discovery is since, my theodolite has not stirred that of perpetual motion, which they from this, I will thank you to hand it have applied to almost every subject; me, as it was the best I had. But and which has enabled them to erect come, added he, do not trouble your works in a very short space of time, self any farther about this matter, for which it would cost us ages to finish. we have already ascertained the exact By this they have constructed timedegree of curvature to every point, not keepers, which will shew the longionly on our planet, but on yours also, tude to the thousandth part of a seeven to the ten millionth part of an cond, for such as have occasion to inch. If you will mount behind me, visit the nether side of the Lunar I will take you to my observatory, and Sphere, where they have not the adalso show you a few other things wor vantage of observing this great dial of
the Earth. They accordingly journeyed on As our travellers were passing a wards; and in the way the Doctor pool of water, the first which Heidelobtained much curious information: berg had seen in the moon, he was but it is much to be regretted that astonished to observe it boiling and his intelligence is very scanty, except bubbling up, as if it had been in a in what relates to his favourite pur- cauldron. Zuloc acquainted him that suits. Zuloc had heard nothing either this was occasioned by the extreme leof the knight Astolpho, or of Father vity of the Lunar atmosphere; and Kircher; but the three ancient phi- were it not for the pneumatic apparalosophers who were transported to the tus for condensing Auids, which the Lunar Regions to examine their na- philosophers have placed over certain tural productions, and who squander- wells, and which are kept constantly ed their time in singing and dancing, going, by their admirable invention of left behind them some Latin manu- perpetual motion, all the waters of the scripts, which enabled the learned moon would soon evaporate. But the
c acquire that language. The philosophers themselves will seldom inhabitants are divided into two class- be at the trouble of resorting to these es; the Satyrs or learned men, and wells; for, by the mixture of several the Shepherds; and they reside al- kinds of air in a glass, and the mere most wholly upon this side of the compression of a fillip, they can obtain moon; the other being considered, as much water as they please. Indeed, from the absence of the Earth's light, this is one of the means they have in as a kind of purgatory. They do not contemplation for replenishing the exceed nine or ten thousand alto- ocean, which, in the infancy of the gether; but they live to a very ad- moon, was very considerable, but which vanced age, sometimes five hundred has gradually vanished from the preyears. The shepherds live in the ceding cause. To illustrate this great most charming state of primeval sim- tendency of the air to ignition, our Luplicity, tending their flocks, and narian gently struck one of the trees dancing to the melody of lutes and with his cudgel, and immediately the Pan’s-pipes. Almost all the philoso- whole forest was in flames. Zuloc has phers have observatories and appara- computed the Lunar atmosphere to be
seven furlongs, two metres, and one startled at the admission of this last ; inch, in height; its weight, one mile but Zuloc assured him, that if he would lion and six tons, three ounces, and only divest himself of the prejudice two grains, troy; and that it would which the sound occasioned, he would fill a globe, of the density of our earth, perceive that it had a better title to of one mile, nine inches, and three that rank than many phantasms of the tenths, in diameter. These results brain which are admitted, since it posHeidelberg has rendered according to sessed the various properties of extenthe English method of computation ; sion, motion, and figure. as all measures and weights, periods The Doctor saw here barometers, and quantities whatever, whether na which were supplied with that delighttural or artificial, are subdivided into ful metal oxygen, which has so lately decimal parts, for the convenience of been discovered on the earth, and has mathematicians.
such levity as to swim on the water : This conversation brought them to indeed no other substance would have the observatory of Zuloc, which is sic been sensitive enough to be affected by tuated in the principal town, near the the impressions of so volatile an atmoleft corner of the moon's mouth. It sphere. consisted of an immense concave of Here were substances, lying upon entire glass, with numerous doors and one another, whose parts had such an skylights, which could be opened or aversion, that though the undermost closed at pleasure, by mechanical ap were pressed by the whole weight of pendages. The first objects that struck the upper, yet their surfaces continued Heidelberg were a number of prodie half an inch apart; and other bodies, gious prisms, suspended to the ceiling. so partial to each other, that their
These were for separating and con parts mutually overtopped nearly an ducting the rays of the sun into dif- inch. ferent places. Zuloc placed the Doc Here were a variety of pendulums, tor beneath one of them, and decoyed vibrating, in all directions, without the several rays of light into different ceasing, by the application of that debottles, so that Heidelberg was left lightful invention of perpetual motion; perfectly in the dark, notwithstanding and all the mathematic figures in nathat the sun appeared to be shining full ture, physically expressed, in the most upon him ; but he still experienced beautiful manner, with silver wiresthe influence of its heat. Our Luna- the spiral of Archimedes, the cissoid, rian now attracted away the heating the conchoid, the caustic and catenary beam, and Heidelberg was obliged curves, and those two lines which are speedily to decamp, or he would soon said continually to be approaching, yet have been frozen to death. The first never to meet. These, indeed, seemed of these phenomena is employed for to incline to each other so much, near producing artificial night, when the one of the doors of the observatory, astronomers wish to sleep; since the that the Doctor slyly opened it, to see natural nights and days are too long whether they met outside, but was defor the common purposes of life; and lighted to find that they proceeded as the second is made use of in the tor far as the eye could reach without ture of criminals. This experiment touching. Lines, points, and circles, convinced Heidelberg of the fantastic were flowing about in every direction, existence of colours; and he now by the contrivance of perpetual mothinks that the dispute concerning the tion; and forming pyramids and cynature of substances is for ever laid at linders, by means of which, the most rest. Zuloc proved to him, that nei- abstruse operations were performed ther colours nor bodies had any exist- from simple mechanism. In all these ence but in the imagination. He de- experiments, lunar children, from fines the last to be nothing but shape forty to fifty years of age, attended, and extension ; and accounts the re to learn how to deduce ultimate causes sistance we meet with from solids, to from their physical effects. The Docbe merely a quality, or affection, and tor, at this scene, rubbed his hands not a real essence ; just as melting is a with delight—but, at the same time, faculty of lead, or heat an affection of received a knock on the head from a fire. Tastes, smells, sounds, and sha- huge pendulum, and set his nails on dows, he has also added to our list of fire with the friction of his hands. substances. Heidelberg was rather Zuloc cautioned him against making
too sudden motions in an atmosphere half-hazard, and displaying them at so subject to combustion.
the window. At one end of this delightful repo As Heidelberg was endeavouring to sitory of the sciences, was another party look inside, the little Lunarian within of little Lunarians, from twenty to held up an astronomer, a butterfly, thirty years old, amusing themselves and a thief, with several other objects, at a curious kind of play, called the all in a string. Game of Ideas, to render them fami When our philosopher had suffiliar with the operations of the under- ciently amused himself with admiring standing, in comparing and producing these wonderful objects, Zuloc pressed images. There was a large dark chama him to partake of a Lunar repast; but ber, which excluded every admission, he felt himself so much affected by the but from two small windows; the one fineness of the air, that he was obliged, of glass, for exhibiting Ideas to the however unwillingly, to express his spectators outside; the other open, for intention of departing from this de receiving Images, but provided with a lightful planet. Zuloc accordingly reshutter inside. A Lunar child was paired his balloon, and provided him turned into this room by itself, while with an aereal dipping needle, for one party outside was continually em- pointing out the several objects he ployed in throwing into the open win- should pass in his flight; and an indow a quantity of toys and images, strument for ascertaining the position, the symbols of ideas; and another at and measuring the distances, between
the glass window, demanding the ex bodies not in view. be hibition of whatever they pleased, The only phenomenon which Hei
whether simple or compound words, delberg observed in his passage, was a sentences, or even orations; all of view of the upper region of the terreswhich were to be physically expressed trial atmosphere, oscillating to and fro,
by producing images in succession at like the pendulum of a clock, from the E the window. When the child was joint influence of the sun and moon.
more than ten minutes searching for Among the valuable discoveries Proan idea, which, from the vast heap of fessor Heidelberg has brought with objects, was often no easy task to find, him, is an account of a comet that will
it was considered as very stupid, and fall into the sun in the 2715, which WE turned out. When it wished to ab- by that time will stand in great need a stract, it shut both windows, and em of such a reinforcement, and which
ployed itself considering a subject with will cause a great disturbance in our out any extraneous appendages; but system, by altering the centres of gythe sportsmen outside would seldom ration and gravity, and occasioning an permit this indulgence long, as the in- anomaly in our tables of equation and
mate often made it a pretence for the tides. From this comet Zuloc inI gaining time to arrange its ideas, and tends sequestrating a part of the tail,
sometimes was even accused of going in its passage, to densify the Lunar to sleep. Sometimes the same set of atmosphere withal ; also a table of the images had been so often called for, specific gravities of Lunar bodies, and that the child had strung them toge- a method of determining the most difther in an association ; so that it of- ficult problems from impossible preten happened, that when a single ob- mises; all of which will, together with ject was demanded, it was so careless the before-mentioned improvements in as to produce the whole string. natural knowledge, be laid in due time
Some children were considered very before the Royal Society of Edinburgh witty for taking a handful of ideas, at
P.S.--I forgot to say that Professor Heidelberg's great work is to be dedicated to Lord
Depend upon hearing from me again before next month.
Slow stalking from his leans that sound to hear ;
A SACRIFICE AT ÆGINA.
SONG OF THE BIRD, IN ARMIDA'S ENCHANTED GARDEN : FROM TASSO.
And all amid that fair enchanted ground,