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the ellipsis, they may be reduced to the fol- this series will be more simple : for if lowing propositions. 1. If from any point
c=2r, then M B Sat. M in an ellipsis, two right lines, MF, Mf,
96 pod 2048 pm (fig. 1.) be drawn to the foci F,f, the sum 113 a' 3419 a'
+ of these two lines will be equal to the trans
&c. This se+
458752 a 75497472 pas verse axis A B. This is evident from the ries will serve for an hyperbola, by making manner of describing an ellipsis. 2. The the even parts of all the terms affirmative, square of half the lesser axis is equal to the and the third, fifth, seventh, &c. terms nerectangle under the segments of the greater
gative. axis, contained between the foci and its
The periphery of an ellipsis, according to vertices; that is, DC:=AF X F B=Af Mr. Simpson, is to that of a circle, whose XfB. 3. Every diameter is bisected in
diameter is equal to the transverse axis the centre C. 4. The transverse axis is the
3 d greatest, and the conjugate axis the least,
of the ellipsis, as 1
2.2 126.96.36.199 of all diameters. 5. Two diameters, one
188.8.131.52.7 d of which is parallel to the tangent in the
184.108.40.206.6.6 220.127.116.11.18.104.22.168, vertex of the other, are conjugate diameters; &c. is to 1, where d is equal to the differand vice versa, a right line drawn through
ence of the squares of the axis applied to the vertex of any diameter parallel to its
the square of the transverse axis. conjugate diameter, touches the ellipsis in
Ellipsis, in grammar, a figure of synthat vertex. 6. If four tangents be drawn through the vertices of two conjugate dia- tax, wherein one or more words are not exmeters , the parallelogram contained under pressed; and from this deficiency it has got
the name ellipsis. them will be equal to the parallelogram contained under tangents drawn through the lied to preterition, when the orator, through
Ellipsis, in rhetoric, a figure nearly alvertices of any other two conjugate dia
transport of passion, passes over many meters. 7. If a right line, touching an el
things : which, had he been cool, ought to lipsis
, meet two conjugate diameters pro. have been mentioned. In preterition, the duced, the rectangle under the segments of omission is designed ; which, in the ellipsis, the tangent, between the point of contact
is owing to the vehemence of the speaker's and these diameters, will be equal to the passion, and his tongue not being able to square of the semi-diameter, which is con. jugate to that passing through the point of keep pace with the emotion of his mind.
ELLIPTIC, or ELLIPTICAL, something contact. 8. In every ellipsis, the sum of
belonging to an ellipsis. Thus we meet the squares of any two conjugate diameters with elliptical compasses, elliptic conoid, is equal to the sum of the squares of the two elliptic space, elliptic stairs, &c. The ellipaxes. 9. In every ellipsis, the angles FGI, tic space is the area contained within the fGH, (fig. 1), made by the tangent HI,
curve of the ellipsis, which is to that of a and the lines FG,fg, drawn from the foci
circle described on the transverse axis, as to the point of contact, are equal to each
the conjugate diameter is to the transverse other. 10. The area of an ellipsis is to the
axis ; or it is a mean proportional between area of a circumscribed circle, as the lesser
two circles, described on the conjugate and axis is to the greater, and rice rersa with
transverse axis. respect to an inscribed circle ; so that it is
ELLIPTOIDES, in geometry, a name a mean proportional between two circles,
used by soine to denote infinite ellipses, having the transverse and conjugate axes for their diameters. This holds equally defined by the equation ay
mtn true of all the other corresponding parts
(a - x)" belonging to an ellipsis.
Of these there are several sorts: thus, The curve of any ellipsis may be obtain- if a y'=bx? (a— 1) it is a cubical elliped by the following series. Suppose the
toid ; and if a y* = 6 x (a - x), it de. semi-transverse axis CB=r, the semi-conjugate axis CD=c, and the semi-ordi ellipsis of the third order in respect of the
notes a biquadratic elliptoid, which is an nate = a; then the length of the curve
appollonian ellipsis. pod 4 pued cara MB = at +
ELLISIA, in botany, so called in me40
mory of John Ellis, F. R. S, a genus of 8 c* mi a' + pul a 40ra?, &c. And, if
the Pentandria Monogynia class and order. 112 ch?
Natural order of Luridæ. Borragineæ, the species of the ellipsis be determined, Jussieu. Essential character: corolla fun
EMA nel-form, narrow; berry dry, two-celled, differences may be neglected in astronomy. two-valved ; seeds two, dotted, one placed The greatest elongation of Venus is found over the other. There is only one species, by observation to be about forty-eight deviz. E. nyctelea, cut-leaved ellisia, a native grees, and the greatest elongation of Merof Virginia.
cury about twenty-eight degrees, upon ELM. See ULMUS. The elm is very which account this planet is rarely to be serviceable in places where it may lie conti- seen with the naked eye. nually dry, or wet in extremes. Accord- ELONGATION, angle of, is an angle coningly, it is proper for water-works, mills, the tained under lines drawn from the centre of ladles and soles of the wheel-pipes, pumps, the sun and planet to the centre of the aqueducts, pales, and ship-planks beneath earth. the water-lines. It is also of use for wheel- ELOPEMENT, is, when a married wrights, handles for single saws, axle-trees, woman of her own accord departs from her and the like. The clearness of the grain husband, and dwells with an adulterer ; for makes it also fit for all kinds of carved which, without voluntary reconciliation to works, and most ornaments relating to ar- the husband, she shall lose her dower by chitecture.
the statute of Westminster, 2. c. 34. ExELOCUTION, in rhetoric, the adapting cept that her husband willingly, and withwords and sentences to the things or senti. ont coercion of the church, reconcile her, ments to be expressed. It consists of ele- and suffer her to dwell with him, in which gance, composition, and dignity. The first, case, she shall be restored to her action. comprehending the purity and perspicuity 19 Ed. I. st. 1, c. 34. By eloping in this of a language, is the foundation of elocu- manner, or living in adultery apart from tion. The second ranges the words in pro- the husband, he is discharged of her fuper order; and the last adds the ornaments ture debts, and no longer liable to support of tropes and figures to give strength and her. dignity to the whole.
ELOQUENCE, the art of speaking well, ELOGY, a praise or panegyric be. 80 as to affect and persuade. Cicero destowed on any person or thing, in consi- fines it, the art of speaking with copiousderation of its merit. The beauty of elo
ness and embellishment. Eloquence and gy consists in an expressive brevity. Elogi. rhetoric differ from each other, as the theams should not have so much as one epithetory from the practice; rhetoric being the properly so called, nor two words synoni- art which describes the rules of eloquence, mous. They should strictly adhere to and eloquence that art which uses them to truth ; for extravagant and improbable advantage. See RHETORIC. elogies ratlier lessen the character of the ELOPS, in natural history, a genus of person or thing they would extol.
fishes of the order Abdominales. GeneELONGATION, in astronomy, the di- ric character: head smooth, edges of the gression or recess of a planet from the sun, jaws and palate rough, with teeth ; gill memwith respect to an eye placed on our earth. brane with thirty rays, and armed on the The term is chiefly used in speaking of Ve- outside in the middle with five teeth. The nus and Mercury, the arch of a great circle saury elops, the only species, bears a consiintercepted between either of these planets 'derable resemblance to a salmon, from and the Sun, being called the elongation of which it differs principally in wanting the that planet from the Sun.
fleshy back fin. It inhabits the shores But here it is to be observed, that it is of Carolina and the West Indies; in Jaonly a circle which has the sun for its cen- maica it passes by the name of the sun-fish. tre; that the greatest elongation is in a line It is in general about fourteen inches long. touching the planet's orbit. For in an ELYMUS, in botany, lymegrass, a geelliptic orbit it may be, that the elongation nus of the Triandria Digynia class and from the sun may grow still greater, even order. Natural order of Gramina, or after it has left the place where the line Grasses. Essential character: calyx latejoining the earth and planet touches the or- ral, two-valved, aggregate, many-flowered. bit. For after that, the true distance of There are eleven species. the planet from the Sun may increase, EMARGINATED, among botanists, an whilst the distance of the Sun and planet appellation given to sach leaves as have a from the Earth does not increase, but ra- little indenting on their summits : when this ther decrease. But, because the orbits of indenting is terminated on each side by obthe planets are nearly circular, such small tuse points, they are said to be obtusely
emarginated; whereas when these points some sweet-scented water or liqnid perare acute, they are called acuteiy emargi- fume, though Maillet uses only the terms nated.
moistened; this they cover with another EMBALMING, is the opening a dead cloth of unmixed cotton, to which they add body, taking out the intestines, and filling one of the richest suits of clothes of the dethe place with odoriferous and desiccative ceased. The expence, he says, on these ocdrugs and spices, to prevent its putrefying. casions, is very great, though nothing like The Egyptians excelled all other nations in what the geuuine embalming cost in former the art of preserving bodies from corrup- times. tion, for some that they have embalmed EMBARGO, in commerce, an arrest on upwards of 2000 years ago, remain whole ships, or merchandize, by public authority; to this day, and are often brought into other or a prohibition of state, commonly on countries as great curiosities. Their man- foreign slips, in time of war, to prevent ver of embalming was thus: they scooped their going out of port; sometimes to prethe brains with an iron scoop out at the vent their coming in ; and sometimes both nostrils, and threw in medicaments to fill for a limited time. The King may lay emup the vacuum: they also took out the en- bargoes on ships, or employ those of his trails, and having filled the body with myrrh, subjects, in time of danger, for service and cassia, and other spices, except frankin- defence of the nation; but they must not cepse, proper to dry up the humours, they be for the private advantage of a particular pickled it in nitre, wliere it lay soaking for trader, or coinpany; and therefore a war. seventy days. The body was then wrapped rant to stay a single ship is no legal emup in bandages of fine linen and gums, to baryo. No inference can be made from inake it stick like gluc; and so was deli- embargoes which are only in war time; and vered to the kindred of the deceased, entire are a prohibition by advice of council, and in all its features, the very hairs of the eye. not at prosecution of parties. If goods be lids being preserved. They used to keep laden on board, and after an embargo, or the bodies of their ancestors, thus em- restraint from the prince or state comes • balmed, in little houses magnificently adorn- forth, and then the master of the ship
ed, aud took great pleasure in beholding breaks ground, or endeavonrs to sail, if any them alive, as it were, without any change damage accrues, he must be responsible in their size, features, or complexion. The for the same: the reason is, because his Egyptians also embalmed birds, &c. Tlie freiglit is due, and must be paid, nay though prices for embalming were different; the the goods be seized as contraband. Enhighest was a talent, the next 20 minze, and bargo differs from quarantine, insomuch as so decreasing to a very small matter ; but this last is always for the term of forty those who liad not wherewithal to answer days, in which persons from foreign parts this expence, contented themselves with infected with the plagne are not permitted infusing, by means of a syringe, through the to come on shore. See Quarantine. fundament, a certain liquor extracted from. EMBASSADOR, or Ambassador, a the cedar; and leaving it there, wrapped public minister sent from one sovereign up the body in salt of nitre : the oil thus prince, as a representative of his person, to preyed upon the intestines, so that when another. they took it out, the intestines came away Embassadors are either ordinary or exwith it, dried, and not in the least putrified: traordinary. Embassador in ordinary is he the body being inclosed in nitre, grew dry, who constantly resides in the court of anand nothing remained besides the skin other prince, to maintain a good underglued upon the bones.
standing, and look to the interest of his The method of embalming used by the naster. Till about two hundred years ago, modern Egyptians, according to Maillet, is embassadors in ordinary were not heard of; to wash the body several times with rose- all, till then, were embassadors extraordiwater, which he else where observes, is vary, that is, such as are sent on some parmore fragrant in that country than with us. ticular occasion, and who retire as soon as They atierwards pertine it with incense, the affair is dispatched. aloes, and a quantity of other odours, of By the law of nations, none under the which they are by no means sparing; and gnality of a sovereign prince can send or then they bury the boly in a winding- receive an embassador. At Athens, emshpet, made parily of silk and partly of cot. bassadors mounted the pulpit to the public toll, and moistened, as is supposed, with oraturs, and there opened their commission, EMB
EMB acquainting the people with their errand. vened by Charlemagne, mentions the emAt Rome they were introduced to the Se- ber-weeks as a new establishment. nate, and delivered their commissions to
EMBERIZA, the bunting, in natural them.
history, a genus of birds of the order PasEmbassadors should never attend any seres. Generic character: bill conic; manpublic solemnities, as marriages, funerals, dibles receding from each other, from the &c. unless their masters have some interest base downwards; the lower with the sides therein : nor must they go into mourning narrowed in; the upper containing a large on any occasions of their own, hecanse they knob of use to break hard seeds. There represent the persons of their prince. By are, according to Gmelin, seventy-seven the civil law, the noveable goods of an species. Latham enumerates sixty-three, embassador, which are accounted an ac-l of which the most important are the folcession to bis person, cannot be seized on, lowing: E. nivalis, the snow bunting. These veither as a pledge, nor for payment of a birds are about the size of a chaffinch, and debt, nor by order or execution of judg- have been found in the most northern latiment, nor by the King's or state's leave, tudes to which navigators have penetrated. where he resides, as some conceive; for They are found, not merely on the land all actions ought to be far from an embas- about Spitzbergen, but upon the ice contisador, as well that which toucheth his ne- guous to it, though merely graminiyorous cessaries, as his person: if, therefore, he birds, of whieh genus they are the sole liath contracted any debt, he is to be called species found in that climate. In the north upon kindly, and if he refuses, then letters of Great Britain they sometimes appear in of request are to go to his master. Nor vast flocks, anu are considered as the barcan any of the enibassador's domestic ser
bingers of a severe winter. They are vants, that are registered in the Secretaries known in Scotland by the name of snowof State's Office, be arrested in person or fake. E. hortulana, the ortolan, is somegoods : if they are, the process shall be what less than the yellow-liammer, is comvoid, and the parties suing out and execut- mon in France and Italy, in Germany and ing it shall suffer and be liable to such pe- Sweden. These birds are migratory, and in nalties and corporal punishment as the their passage, are caught in vast multitudes Lord Chancellor, or cither of the chief to be fed for the table, being considered justices, shall think fit to inflict. Yet em. as extremely delicate and luxurious food. bassadors cannot be defended when they They are inclosed by professional feeders commit any thing against that state, or the in dark rooms, where oats, and other grains, person of the prince with whom they re- and seeds are provided for them in the fulside ;
and if they are guilty of treason, fe- lest abundance. On these articles they lony, &c. or any other crime against the feed with such voracity, that in a short law of nations, they lose the privilege of an time they attain that size, which it is imembassador, and may be subject to punish- possible for them to exceed, and constitute, ment as private aliens.
it may almost be said, one mass of exquiEMBER weeks, or days, in the Christian sitely flavonred and luscions fat. From Church, are certain seasons of the year, set this state they would soon sink in lethargy, apart for the imploring God's blessing, by but they are now killed by their owners prayer and fasting, upon the ordinations for the market. A full-fed ortolan weighs performed in the church at such times. about twee ounces. It rarely passes farThese ordination-fasts are observed four ther north than Russia, and is not to be tiines in the year, viz. the Wednesday, Fri- found in England. By many its notes are day, and Saturday after the first Sunday in particularly admired. It sometimes builds Lent, atier Whit-sunday, after the four- on low hedges, and occasionally on the teenth of September, and the thirteenth of ground, and generally breeds twice a year. December; it being enjoined, by a canon E. citrivelia, or the yellow hammer, is exof the church, that deacons and ministers tremely common in Great Britain, where Le ordained, or made, only upon the Sun- it lays its eggs on the ground, or in some days immediately following these ember- low bush, constructing it with little art; it fasts. The ember-weeks were formerly possesses no interesting musical tones, and observed in different churches with some is tame and stupid in its character; it feeds variety, but were at last settled as they are ou grain and insects, and is to be found in now observed, by the council of Placentia, almost every country in Europe; its flesh anno 1093. The coimcil of Mentz, con: bere is generally bitter, but in Italy the
yellow hammer is fattened like the ortolan or abetter, being thereof lawfully con-
insert to bring the lunar to the solar year. of the fariner. These birds often mingle Since the common lunar year consists of with birds of other species, as the red
twelve synodic months, or 354 days nearly, winged oriole, and the blue jay. They are, and the solar consists of 365 days (throwing occasionally, kept for the sake of their away the odd hours and minutes) it is plain music. In the autumn they return from
that the solar year will exceed the lunar by Carolina farther south, for the winter; and
about 11 days ; and consequently in the it is observed, by Latham, that the males
space of about 33 years, the beginning of and females arrive at different times, the
the lunar year will be carried through all latter always appearing first. For the cirl
the seasons, and hence it is called the mo. bunting, see Aves, Plate VI. fig. 4. For
veable lunar year. This form of the year the blackhead bunting, sec Aves, Plate VI. is used at this time by the Turks and Ara. fig. 5.
bians ; and because in three years' time the EMBEZZLEMENT, in law, by stat. 39 solar ycar exceeds the lunar by 33 days, G. 3. c. 35. for proiecting masters against therefore, to keep the lunar months in the embezzlements by their clerks and servants; same seasons and times of the solar year, servants or clerks, or persons employed for' or near it, chronologists added a whole the purpose, or in the capacity of servants month to the lunar year every third year, or clerks, who shall, by virtue of such em- and so made it consist of 13 months; this ployment receive, or take into their pos- year they called the embolismic year, and session, any money, goods, bond, bill, note, the additional month the embolismic, or banker's draft, or other valuable security embolimean, or intercalary month. This or effects, for or the naine, or on the ac- form of the year is called the fixed lunar count of their master or employer ; or who year, and it was used by the Greeks and shall fraudulently embezzle, secrete, or make Romans till the time of Julius Cæsar. away with the same, or any part thereof; EMBOSSING, or IMBOSSING, in archievery such offender, shall be deemed to
tecture and sculpture, the forming or fa. have feloniously stolen the sange from his shioning works in relievo, whether cut with master or employer, for whose use, or on a chissel or otherwise. Embossing is a kind whose account the same was delivered to, of sculpture, wherein the figures stick out or taken into the possession of such ser. from the plane whereon it is cut; and acvant, clerk, or other person so employed, cording as the figures are more or less proalthough snch money, goods, bond, bill, minent, they are said to be in alto, mezzo, or note, banker's dratt, or other valuable secni- basso relievo; or high, mean, or low relief. rity, was or were no otherwise received into EM BOTHRIUM, in botany, a genus of the possession of his or their servants, clerk, the Tetrandria Monogynia class and order. or other person so employed; and every Natural order of Protece, Jussieu. Esseuanch offender, his adviser, procurer, aider, tial character: corolla four-petal!cd; an.