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in feet; thus where s represents a body's velocity, v is the formed of a circular piece of wood, or metal, turning number of feet which the body would uniformly describe on an axis, and having a groove round its edge for the in one second.-The quantity of motion, or momentum reception of a cord, by which weights are raised or drawn of a body, is measured by the velocity and quantity of in any direction. Pulleys are either single, as in fig. 5, or matter jointly; thus, if the quantities of matter in two they form an assemblage by the combination of several bodies be represented by 6 and 7, and their velocities pulleys together, as in fig. 6,7,8,9, which was called by the by 9 and 8, the ratio of 6 x 9 to 7x8, or 27 to 28, is ancients polyspaston, now a system. The wheel, or rumble, called the ratio of their momenta.-Force is whatever as A, fig. 5, is called the sheave, or shiver, the axis on changes, or tends to change, the state or uniform recti which it turns the gudgeon, and the fixed piece of wood, linear motion of a body, as pressure, percussion, gravity, or iron, into which it is placed, is the block, as b, fig. 5. &c. Forces are also said to be uniform, variable, acce In a system of pulleys some are in a block that is lerating, moving, &c. (vide Force] Whatever motion fixed, as 6, fig. 5, and others in a block that is moveable, is produced by a single force is called simple motion, in as p in fig. 6, &c. If the equal weights P and W, fig. 5, distinction from the compound, which is produced by se hang by the cord B B upon the pulley A, whose block veral forces, that are denominated conspiring forces. b is fixed to the beam H, they will counterpoise each Gravity is the tendency which all bodies are supposed to other; consequently no increase of force is acquired have towards the centre of the earth ; this is either ab by the single pulley, the use of which is, when the versolute or relative. [vide Gravity]-Percussion, the tical direction of a power is to be changed into an hori. striking of one body against another, which is either di zontal one, or an ascending into a descending direction, rect or oblique. [vide Percussion]

&c.; but the great use of the pulley is when it is emPractical Mechanics. Practical mechanics comprehend the ployed in an assemblage: thus, suppose a weight W,

consideration of mechanical powers, of which there are fig. 6, to hang at the lower end of the moveable block p five kinds; namely, the Lever, Axis in Peritrochio, of the pulley D, it is evident that the part G of the Pulley, Inclined Plane, and Wedge.

cord G F bears one half of the weight, and the part F Lever. The Lever, which is the simplest of all the me the other half; therefore what holds the upper end of

chanical powers, is an inflexible moveable rod, which is either rope sustains one half of the weight, and thus the
called the fulcrum prop or centre of motion. From the power P, which draws the cord F by means of the cord E
different ways of applying this power, it is distinguished passing over the fixed pulley C, will sustain the weight
into the lever of the first kind, of the second kind, and W when its intensity is only equal to the half of W;
of the third kind. When the weight, W, intended to be that is in the case of one moveable pulley, the power
raised is at one end, as in fig. 1, our strength, or any gained is as 2 to 1, or as the rumber of ropes G and F
other force, at the other end, and the fulcrum, or prop C, to the one rope E: in like manner in the case of two
between them both, this is a lever of the first kind, of moveable pulleys P and L, as in fig. 7, each of these
which description is the poker used in stirring up the doubles the power, and produces a gain of 4 to 1, i.e.
fire, the bars of the grate being the prop, the incumbent as the four ropes Q, M, S, K, sustaining the weight W, to
fuel the weight, and the pressure of the hand the force the single rope O sustaining the power T V, and so on for
or power. To this kind of lever may be referred scissars, any number of moveable pulleys, for three produce an
pincers, snuffers, &c. and also the common balance, as increase of power, as 6 to 1 ; four pulleys increasing the
in fig. 4, where A B C represents the jugum, or beam, power as 8 to 1, &c. Also the effect is the same when the
which, instead of resting on a fulcrum, is suspended by pulleys are disposed as in the fixed block X, fig. 8,
a handle, G, called the trutina, fastened to its centre and the other two, as the moveable block Y. But if the
of motion, B, and having within a slender rod, F, per lower pulleys do not rise all together in one block
pendicular to the beam, called the longue; the two with the weight, but act upon one another, having the
brachia, or arms of the heam, are AB and BC; the line weight only fastened to the lowest of then, the force of
on which the beam turns is the axis ; the extremities the power is still more increased, each power doubling
A and C, where the weights D and E are applied, are the former number : thus a power whose intensity is
the points of suspension, or of application. In the lever equal to 8 lb. applied at a in fig. 9, will, by means of the
of the second kind, the fulcrum, C, is at one end, as in lower pulley A, sustains 16 lb. and a power equal to
fig. 2, the power, P, at the other, and the weight to be 4 lb. at b will, by means of the pulley B, sustain the
raised is between them. Thus in raising a water-plug in power of 8 lb. at a, and consequently the weight of 16 lb.
the streets, the bar of the workman is the lever, which, at W; also a third power equal to 2 lb. at c, by means
when put through the ring, rests on the ground for the of the pulley C, will sustain the power of 4 lb. at b; and
fulcrum, whereby he can exert his strength at one end to a fourth power of 1 lb. at d, by means of the pulley D,
pull up the plug, which is in the middle. To this se will sustain the power 8 at A, and the weight 16 at W.
cond kind of lever belong the oars and rudder of a boat, Axis in Peritrochio. The axis in Peritrochio, or Wheel
the masts of a ship, and doors, whose hinges serve as a and Axle, is a power which combines the advantages of
fulcrum, &c. &c.- In the lever of the third kind, the both the lever and the pulley. It consists, as in fig. 10,
power, P, as in fig. 3, acts between the weight, W, and of a wheel a, called the peritrochium, and a round cy-
the fulcrum, C, as in the case of a ladder raised by a linder b, which may be conceived to be traversed through
man at some point between the two ends, so as to rear its whole length by a line called the axis, the ends of
it against a wall, &c. By this kind of lever also the which, cc, are the pivots on which it performs its revolu-
muscular motion of the animal body is performed. In tion. The radii, or spokes driven through the felloes of
regard to the lever generally, it is to be observed, that the wheel, which are called scytale, assist the action of
to increase the power or effect of the operator it is only the moving power on the wheel; sometimes they are
necessary to increase the distance between the force and fitted into the cylinder as at d, where they act as a lever.
the prop, or to decrease the distance between the weight About the axis is wound a rope, or chain, by means of
and the prop; moreover, in all cases the power and which great weights are raised; in this manner water is
weight are each of them reciprocally as their distance drawn from a well, &c.
from the prop

Inclined Plane. Ao Inclined Plane is a plane inclined to
Pulley. The pulley, in Latin trochlea, is a little wheel the horizon.-The inclination of the plane is the angle

VOL. II.

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2 B

eases.

which one line in the plane A B, fig. 11, makes with as were struck between the third and seventh century; another in the horizontal plane BC. The line B A is modern, those which have been struck within the last 300 called the length of the plane, A C its altitude, and BC years ; singular, such of which there is but one of a sort the length of the base, P represents the weight which extant. by the help of this mechanical power may be raised. MEDA'LLION (Numis.) a medal of an extraordinary size, The power gained by the Inclined Plane is in propor which is struck only on rare occasions. tion as the length of the plane is to its height, or as the || MEDIANA linea (Anat.) a line or seam running down the radius to the sine of its inclination : thus suppose the middle of the tongue, and dividing it into two equal parts. greater weight P is balanced by a less weight W, hang - Mediana vena, a vein, or little vessel made by the union ing perpendicularly, then W:::CA: AB. Hence, of the basilic and cephalic at the bend of the elbow. therefore, if a spherical body be supported upon two in- | MEDIA'STINI (Ant.) slaves who waited on such as freclined planes, the relative gravities of this body are to quented the baths and temples. Cic. in Catil. I. 2, c. 3; each other as the sines of the angles of inclination to ra Hor. 1. 1, ep. 14; Non. 1.2, c. 579; Ulpian. 1.15, 44, dius 1, or directly as to their heights, and inversely as their

ff. de Injur. lengths; consequently, if the planes have the same || MEDIA'STINUM (Anat.) the double skin, or membrane, height, and the absolute weights of two bodies be di which stands in the middle of the breast, and divides it rectly proportional to the length of the planes, then the into two parts, right and left. forces to descend will be equal, and will exactly balance MEDICINAL Days (Med.) a name given by some writers each other, as in fig. 12.

to the days on which a crisis is expected. - Medicinal hours Screw. The Screw is the combination of the lever and the are those which are best fitted for the taking of medicine.

inclined plane, and is principally used in pressing bodies MEDICINE (Med.) Medicina, the art of physic, is divided together, but sometimes also in raising weights. The into five parts, namely, 1. Physiology, which treats of the screw is a spiral thread, or groove, cut round a cylinder, human constitution in its sound state. 2. Pathology, which and is distinguished into male or female. When the treats of the preternatural constitution of our bodies. spiral thread is upon the outside of a cylinder the screw 3. Semiotica, which treats of the signs of health and disis said 10 be a male, or conver one, as A in fig. 13; but

4. Hygiena, which delivers rules for the regimen if the thread be cut along the inner surface of the cylin to be observed for the preservation of health. 5. Therader, it is said to be a female, or concave screw, as B, peutica, or the healing art in its proper sense, both as fig. 13. This is commonly made fit to receive the male respects medicinal and surgical applications. screw, and is then called a nut. When motion is to be || MEDICINE, in Latin Medicamentum, is also the name of the given to any thing the male and female screw are neces physical remedy, sarily conjoined, as in the screw-press represented fig.14; MEDICK (Bot.) the Medicago of Linnæus, an annual. but when joined with an axis in peritrochio, as in fig. 15, || MEDIETAS Lingua (Law) a jury, or inquest, impanelled, there is no occasion for a female screw, but a lever, or whereof the one half consists of natives, and the other winch, as D C in fig. 14, is in all cases necessary to put half of foreigners; which manner of trial was first given the screw in motion. The endless or perpetual screw is one by Stat. 28 Edw.3, c. 13. Staundf. Plac. Cor. 1.3, c. 7. which works in and turns an indented wheel DF, fig. 15, MEDIETA'TES (Geom.) a term formerly used for sets of without the aid of the internal screw, as in fig. 15, where proportionals. A B is the lever to the endless screw in the cylinder B C; || MEDIETY (Arith.) the moiety or half of a thing. E is the wheel, H the axis, W the weight. In this MEDI'MNO (Com.) a corn-measure in some parts of the machine, when the power and weight are in equilibrio, Levant, thirty-one of which make eight English quarters. the product P and A B x E D = W x distance of MEDIMNUS (Ant.) a Greek measure of capacity containing threads x radius of axle. This screw is so called be about four pecks and six pints. cause it continually preserves its motion, while that of MEDI'N (Com.) a corn measure in Egypt equal to about one the wheel is continued.

bushel English. Wedge. The Wedge is in the form of a double inclined MEDI'NENSIS Vena (Ent.) the Dracunculus, or the Gordius

plane, as A DC and B D C in fig. 16. It is usefully em medinensis ; the muscular hair-worm which in some counployed in riving of wood, &c. and acts, as is generally tries inhabits the cellular membrane between the skin and supposed, on this principle, that the power acting against muscles. the back A B is to the force acting perpendicularly | MEDI'NI (Com.) or Medin, a small coin and money of acagainst either side, A C or B C, as the breadth of the count in Egypt, equal to about one halfpenny sterling. back is to the length of the sides; consequently the MEDIO acquietando (Law) a judicial writ to destrain the

thinner the wedge the greater its effect in splitting. lord for acquitting a mean lord of a rent which he forMECHO'ACAN (Bot.) a West Indian root something like merly acknowledged in court not to belong to him. Reg.

briony, the root of which is purgative. It is the Con Judic. 129. volvulus mechoacanna of Linnæus.

MEDITATIO Fugæ (Lar) signifies literally the meditating ME/CON (Bot.) the poppy.

to fly, or withdraw one's self, which, if discovered, or apMECO'NIS (Bot.) the Lettuce.

prehended to be the case on the part of the debtor, the MECOʻNIUM (Bot.) opium, or the inspissated juice of the creditor may obtain a warrant for his imprisonment in the poppy.

Scotch law, answering to an arrest in the English law. MECONIUM (Anat.) the green excrementitious substance that MEDITERRANEAN (Geog.) an epithet for any piece of is found in the large intestines of the fætus.

water that is locked in between two lands, particularly apMEDAL (Numis.) in French medaillo, Italian medaglie, plied to the sea now known by that name, which lies be

comes from the Latin metallum, metal, from the substance tween Europe and Africa. of which it is made ; a piece of metal struck in the form MEDITRINA'LIA (Ant.) a Roman festival in honour of of money, and stamped to preserve the memory of some the Goddess Meditrina, kept on the 30th of September. person or event. Medals are distinguished into consular, It was so called, a medendo, from healing, because on this which were struck in the time that Rome was governed day it was usual to drink new wine mixed with old, by by consuls; imperial, such as were struck from the reign way of medicine. Varr. de Lat. Ling. 1.5, c. 3; Fest. de of Julius Cæsar to the year of Christ 260; ancient, such Verb. Signif,

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MEDITU'LLIUM (Anat.) the spungy substance between the MEGA'RIC Sect (Ant.) a sect of philosophers called after two tables of the skull.

Euclid of Megara, who was a strenuous supporter of the ME'DIUM (Log.) the mean, or middle term in a syllogism,

Socratic philosophy. between the two extremes, i. e. the subject and pre- || ME'GRIM (Med.) a species of cephalalgia, or pain affecting dicate; it serves as an argument or reason for the affirm one side of the head towards the eye, or temple. ing or denying any thing in the conclusion. [vide Logic] MEIBO'MII Glandula (Anat.) small glands situated between Medium (Math.) the same as Mean.

the conjunctive membrane of the eye and the cartilage of Medium (Nat.) that space which is peculiarly framed to ad the eyelid, so called from Meibomius, by whom they were

mit of certain bodies to pass through it; thus the air is first described. the medium in which meteors breed and move.

MEI'NY (Archæol.) the domestics, household, or all that live Medium (Opt.) any substance through which the rays of in a family together. light are transmitted.

MEIO'NITÉ (Min.) a sort of azure stone. Medium (Bot.) the Campanula Medium of Linnæus.

MEIO'SIS (Rhet.) psiwose, a figure of speech in which a term Medium Cæli (Astrol.) ihe mid-heaven, or tenth house. of less import is used than what the subject demands. Medium Guard (Mil.) a preparatory guard of the broad Quintil. 1.8, c. 3.

sword, or sabre, which consists in presenting the sword, or MEIWELL (Ich.) a small sort of cod, of which stock-fish is sabre, in a perpendicular line with the centre of the object made. opposed.

MEL (Med.) Honey. - Mel acetatum, Oxymel.-Mel BoMedium Tempus (Law) the main profits.

racis, Honey of Borax, a mixture of borax and honey.Medium Paper (Com.) the size between demny and royal. Mel despumatum, clarified honey.-Mel Rosa, Rose-honey, ME'DIUS Venter (Anat.) the middle venter, thorax, or chest. or a mixture of roses and clarified honey. ME'DLAR (Bot.) the Mespilus Germanica of Linnæus. ME'LA (Surg.) a probe. ME'DLEFE (Archæol.) Medleta, or Medletum, a sudden MELACHIUS (Ent.) a division of the genus Cantharis, affray.

according to Fabricius, consisting of such insects as have MEDSY'PPE (Archæol.) a harvest supper given to the la their feelers filiform, and the last joint setaceous.

bourer upon the bringing in of the harvest. Plac. 9 Ed. I. MELÆNA (Med.) from pánes, the Black Vomit. MEDU'LLA (Anat.) Medulla ossium. [vide Marrow] 2. MELÆNA E'TOS (Orn.) the Black Eagle. Plin. l. 10, c. 3.

Medulla cerebri, the white substance of the brain in dis- || MELA'GO (Bot.) the Piper nigrum of Linnæus. tinction from the brown, or cortical. 3. Medulla oblongata, || MELALEUCA (Bot.) a genus of plants, Class 18 Polyathe medullary substance lying within the cranium, which delphia, Order 3 Polyandria. is the beginning of the spinal marrow. 4. Medulla spi Generic Character. Cal. perianth turbinated.-Cor. petals nalis, the spinal marrow, or that part which goes down the five. Stam. filaments many; anthers incumbent. middle of the back by the vertebre, and is terminated at Pist. germ turbinate; style one; stigma simple.—Per. the Os Sacrum.

capsule subglobular ; seeds oblong. MEDULLA (Bot.) vide Marrow.

Species. The species are trees, as the Melaleuca leucoMEDU'LLARY (Anat.) an epithet for what belongs to the dendron, Myrtus, seu Arbor, Aromatic Melaleuca.

Medulla, as the Medullary substance of the brain, which is Melaleuca nodosa, seu Metrosideros, Knotted Melaanother name for the Medulla Cerebri.-Medullary oil, the leuca, &c. finer and more subtle parts of the Medulla Ossium. MELAMPO'DIUM (Bot.) a genus of plants, Class 19 SynMEDULLIN (Bot.) the pith of the Helianthus annuus, or genesia, Order 4 Polygamia necessaria. Sunflower, the Syringa vulgaris, &c.

Generic Character. Cal. common.-Cor. compound. MEDU'SA (Ent.) a genus of Worins, Order Mollusca, having Stam. filaments five; anthers tubular. — Pist. germs. the body gelatinous; mouth central

, beneath. The animals small; style short; stigma obsolete. — Per. calyx unof this genus, when touched, cause a slight tingling and changed; seed solitary. redness, whence they are usually denominated Sea-Nettles. Species. The species are annuals, as the Melampodium They are supposed to constitute the chief food of cetaceous Americanum, Calendula, seu Caltha, &c. animals, and most of them shine with great splendour in MELAMPYRUM (Bot.) a genus of plants, Class 14 Dithe water.

dynamia, Order 2 Angiospermia. MEDU'SA'S Head (Bot.) the Euphorbia caput of Linnæus. Generic Character. Cal. perianth one-leaved.-Cor. petal MEE'RSHAUM (Min.) a German name for a sort of fine one. — STAM. filaments four; anthers oblong.- Pist.

Turkish clay, of which pipes are made in various forms. germ acuminate; style simple; stigma blunt.- Per. capIt is classed under the family of Soapstones, being of the sule oblong ; seed solitary. consistence of wax when first dug up. It assumes a beau Species. The species are annuals, as the-Melampyrum tiful brown colour after it has been used for some time as cristatum, Crested Cow-wheat. — Melampyrum arvense, a smoking pipe.

seu Triticum, Purple Cow-wheat.-Melampyrum nemoMEE'SIA (Bot.) a genus of Mosses.

rosum, seu Parietaria, Wood Cow-wheat, &c. Clus. Meesra is also the Walkeria serrata of Linnæus.

Hist.; Dod. Pempt., Bauh. Hist.; Bauh. Pin.; Ger. MEGALEI'ON (Med.) nagaasłon, an unguent described by Herb.; Park. Thcat. Bot.; Raii Hist.; Tourn. Dioscorides, l. 1, c. 69.

Inst.
MEGALE'SIA (Ant.) psyarańcie, in Latin Ludi Megalenses ; || MELAMPYRUM is also the Selago spuria of Linnæus.

games celebrated in honour of Cybele, who was called by MELANÆTUS (Orn.) the Black Eag e.
the Greeks psycan bids ñ winting, i. e. the great Goddess, or MELANAGO'GUES (Med.) from pedas, black, and yw, to
Mother. This festival was kept by the Romans on the drive; medicines which expel the bile.
12th of April. Cic. de Arusp. Resp. c. 12; Liv. 1. 29, c. 14; | MELANCHLORUS (Med.) the Black Jaundice.
Aul. Gell. 1. 2, c. 24.

ME'LANCHOLY (Med.) pushaymonía, from péros, and young MEGALOPHONOUS (Mus.) from névas, great, and Paris, bile; a kind of phrensy proceeding from the overflowing a voice; an epithet for one having a great voice.

of black bile. MEGALOSPLANCHNOS (Med.) from péyas, great, and MELA'NDRIUM (Bot.) the Lychnis diurna of Linnæus,

otvárnios, bowels; an epithet for one whose viscera are MELANDRYS (Ich.) the largest sort of tunny. Plin. preternaturally large.

1. 9, c. 15; Oribas. Med. Coll. I. 2, c. 9.

seeds many.

seeds single.

MELA'NION (Bot.) the Black Violet.

&c. Dod. Pempt. ; Bauh. Pin.; Ger. Herb.; Raiz ME'LANITE (Min.) a sort of garnet-stone.

Hist., Tourn. Inst. MELA'NIUM (Bot.) the Lythrum melanium of Linnæus. MELIA’NTHUS (Bot.) a genus of plants, Class 14 DidyMELANOMPHALE (Bot.) the Ornithogalum arabicum of namia, Order 2 Angiospermia. Linnæus.

Generic Character. Cal, perianth large.--Cor. petals four. MELANOSCHE'NUS (Bot.) the Schenus mucronatus of -Stan. filaments four ; anthers oblong.-Pist. germs Linnæus.

four ; style upright; stigmas four-cleft.-Per. capsule MELANTE'RIA (Chem.) Green Vitriol.

four-cleft; seeds inferior. MELANTHELÆUM (Bot.) from pédas, and raiv, oil; Species. The species are shrubs, as the-Melianthus major, oil expressed from the black seeds of fennel flower.

Great Honey-Flower.-Melianthus minor, Small Honey. MELA'NTHIUM (Bot.) a genus of plants, Class 6 Hexan

Flower, &c. dria, Order 3 Trigynia.

MELICA (Bot.) a genus of plants, Class 3 Triandria, Generic Character. Cal. perianth none.—Cor. petals six. Order 2 Digynia.

Stam. filaments six; anthers globular. — Pist. germ Generic Character. Cal. glume two-flowered.-COR. twoconical; styles three; stigma blunt.-- Per. capsule ovate; valved.-STAM. filaments three; anthers oblong.-Pist.

germ obovate ; styles two; stigmas oblong.–Per. none; Species. The species are bulbs, as the - Melanthium

virginicum, Virginian Melanthium.—Melanthium Siberi Species. The species are perennials, as the-Melica ciliata, cum, Siberian Melanthium.-- Melanthium Indicum, In seu Gramen, Ciliated Melic-Grass. - Melica gigantea, dian Melanthium, &c.

seu Ana, Gigantic Melic-Grass.-Melica cerulea, Poa, MELANU'RUS (Ich.) a name for the Sea bream.

seu Arundo, Purple Melic-Grass.

Melica falx, seu MELA'PIUM (Bot.) a kind of apple. Plin. 1. 14.

Cynosurus, native of the Cape of Good Hope. Clus. MELAS (Med.) or Lepra maculosa nigra, a disease that ap Hist.; Bauh. Hist.; Bauh. Pin.; Ger. Herb.; Park. pears on the skin in black or brown spots, and is very

Theat. Bot. ; Raii Hist.; Tourn. Inst. frequent in Arabia.

MELICERIO'LA (Med.) a small meliceris. ME'LASIS (Ent.) a division of the genus Hispa, according | MELI'CERIS (Med.) a tumour inclosed in a cystis, con

to Fabricius, consisting of those insects which have the sisting of matter like honey. lip membranaceous and entire.

ME/LICET (Ich.) a sort of fish. MELA'SMA (Bot.) the Gerrardia nigrina of Linnæus. MELICHLOROS (Min.) or Melichloros, a precious stone of MELA'SSES (Chem.) vide Molasses.

a yellow and honey colour. Plin. l. 37, c. 11; Isid. Orig. MELA'STOMA (Bot.) a genus of plants, Class 10 Decan.

1. 16, c. 7. dria, Order 1 Monogynia.

ME’LICHROS (Min.) vide Melichloros. Generic Character. Cal. perianth one-leaved.-Cor. pe- || MELICHRY'SOS (Min.) a precious stone of the hyacinth

tals four. — STAM. filaments eight; anthers oblong. - kind growing in India. Plin. l. 37, c. 9. Pist. germ roundish; style filiform; stigma blunt.- Per. MELICO'CCĂ (Bot.) a genus of plants, Class 8 Octandria, capsules two; seeds many.

Order 1 Monogynia. Species. The species are trees or shrubs, as the-Me Generic Character. CAL. perianth four-parted. - COR.

lastoma acinodendron, seu Grossularia. Melastoma petals four.–Stam. filaments eight; anthers oblong.holosericea, seu Arbor racemosa.-Melastoma malaba. Pist. germ ovate; style short; stigma large. - Per. thrica, Kedali, seu Fragarius.-Melastoma aspera seu Ka capsule blunt; seed nut roundish. lou-Kadali.Melastom adiscolor, seu Arbor Americana, Species. The single species is a tree, as the Melicocca -Melastoma crispata, seu Funis, &c. Raii Hist.

bijuga. MELCA (Med.) a food made of acidulated milk.

MELICO'PE (Bot.) a genus of plants, Class 8 Octandria, MELCHITES (Ecc.) a sect of Christians in Syria subject Order 1 Monogynia. to the patriarch of Alexandria.

Generic Character. Cal. perianth one-leaved. — Cor. MELCHIZEDE'CHIANS (Ecc.) a sect of heretics who petals four.-STAM. filaments eight; anthers erect; style

held Melchizedech to be the Holy Ghost. Isidor. Orig. filiform; stigma four cornered. - Per. capsules four; 1. 8, c. 5.

seeds compressed. MELD-FEOH (Archeol.) a reward given to one who dis Species. The single species is the Melicope ternata, seu covered any breach of penal laws.

Entoganum, native of New Zealand. MELEA'GRIS (Orn.) the Turkey, a genus of birds, Order | MELICOTOO'N (Bot.) a sort of yellow peach.

Galline, having the bill conic, incurvate; head covered | MELICRA'TORY (Med.) from wine, honey, and xspárroui, with spungy caruncles ; chin with a longitudinal mem to mix ; a mixture of honey, a kind of mead. Gorr. Def. branaceous caruncle ; tail broad and expansile ; legs

Med. spurred.

MELICY'TUS (Bot.) a genus of plants, Class 22 Dioecia, MELEAGRIS (Bot.) the Fritillaria pyrinacia of Linnæus. Order 5 Pentandria. MELEGE'TÀ (Bot.) Grains of Paradise.

Generic Character. Cal. perianth short. — Cor. petals MELEI'OS (Min.) a species of Alum.

five.-Sram. filaments none; anthers five.--Pist. germ MELENO'MPHALE (Bot.) the Ornithogalum of Linnæus. ovate; style short; stigma flat.—Per. capsule berried; MELETIANS (Ecc.) a sect of heretics of the fourth cen seeds five. tury, who joined with the Arians.

Species. The single species is the Melicytus ramiflorus, MELIA (Bot.) a genus of plants, Class 10 Decandria, native of New Zealand. Order 1 Monogynia.

MELIE'DES (Nat.) ustundirs, honey-flavoured ; an epithet Generic Character. CAL. perianth one-leaved. - Cor. for wine. petals five.-Stam. filaments ten ; anthers oblong.-Pist. MELIGEI'ON (Med.) a fetid oleous humour. germ conical; style cylindric ; stigma capitate.- Per. MELILOTUS (Bot.) perinatos, another name for the Lotus. drupe soft ; seed roundish.

MELIMELI (Med.) the syrup of quinces preserved in honey. Species. The species are trees, as the—Melia azedarach, Columel. I. 12, c. 45.

Arbor, Pseudo, seu Zezypha, Common Bread-Tree.- MELIME'LUM (Bot.) Paradise Apple. Dioscor. I. 1, Melia sempervirens, seu Arbor, Evergreen Bread-Tree,

c. 161.

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MELI'NUM (Med.) from peñor, an oil extracted from ap- || MELOCA'RPUS (Bot.) the fruit of the Aristolochia. ples. Plin. l. 13, c. 1.

MELO'CHIA (Bot.) a genus of plants, Class 16 MonadelMELIPHY'LLUM (Bot.) Baum, or Balm.

phia, Order 2 Pentandria. MELISSA (Bot.) a genus of plants, Class 14 Didynamia, Generic Character. CAL. perianth double.-Cor. petals Order 1 Gymnospermia.

five.-STAM. filaments five; anthers simple.--Pist. gerne Generic Character. CAL. perianth one-leaved. Cor. petal roundish; styles five; stigmas simple. -Per. capsule one.-STAM. filaments four ; anthers small.-Pist. germ

roundish; seeds solitary. four-cleft; style filiform ; stigma bifid.-Per. none; seed Species. The species are mostly shrubs, as the-Melofair.

chia pyramidata, seu Abutilon, Pyramidal Melochia. Species. The species are perennials, as the--Melissa offi Melochia venosa, seu Sida, Veiny-leaved Melochia.

cinalis, seu Apiastrum, Officinal, or Common Garden Melochia tomentosa, Downy-Melochia. But the-Melo-
Baum, or Balm.-Melissa grandiflora, Calamintha, seu chia corchorifolia, seu Althæa, Red Melochia.---- Melochia
Thymus, Great-flowered-Baum. - Melissa nepeta, seu supina, seu Althæa, Prostrate Melochia, are annuals.
Pulegium, Field-Baum. Dod. Pempt. ; Bauh. Hist.; MELÓCORCOPALI (Bot.) a tree resembling the Quince-
Bauh. Pin.; Ger. Herb.; Park. Theat. Bot.; Raii tree.
Hist.; Tourn. Inst.

MELOCOTO'NEA (Bot.) a sort of peach.
Melissa is also the Melittis melissophyllum of Linnæus. MELO'E (Ent.) a genus of insects, Order Coleoptera, having
MELISSOPHY'LLON (Bot.) from pérocoa, a bee, and the antennæ moniliform; thorax roundish; head inflected;

Quador, in Latin apiastrum ; another name for the Melissa. shells flexile.
Plin. I. 21, c. 9.

MELOLONTHA (Ent.) a division of the genus Scarabeus MELI'TERA (Med.) pesaitepa, a powder good for hollow or Beetle, according to Fabricius, comprehending the inulcers. Paul. Eginet. 1. 7, c. 13.

sects of this tribe, which have the mandible and abdomen MELITES (Min.) a precious stone of the colour of orange || MELON (Med.) a disorder of the eye when it protuberates

at . or quince. Plin. l. 37, c. 11. MELITI'SMUS (Med.) a linctus prepared with honey. out of the socket. MELITI'TES (Min.) pustitions aides, the Honey-Stone; a Melon (Bot.) the Cucumis Melo of Linnæus.

stone so called because it yields a sweet liquor resembling || MELO'NGENA (Bot.) the Solanum pomiferum of Linnæus. honey. Dioscor. I. 5, c. 151; Plin. I. 36, c. 19; Isidor. || MELOPE'PO (Bot.) the Garden-Pompion.

Orig. 1. 16, c. 4 ; Agric. de Nat. Foss.; Aldrov. Mus. Metal. || MELOPLACUS (Med.) pondor nex8s, a sort of cake made of MELITTIS (Bot.) a genus of plants, Class 14 Didynamia, quinces boiled in wine. Gal. de Alim. Fac. 1. 2, c. 27. Order 1 Gymnospermia.

MELO'SIS (Surg.) unawoss, the probing a wound or ulcer. Generic Character. CAL. perianth one-leaved. Cor. petal Hippocrat. de Vulner.

one.-Stam. filaments four; anthers blunt.-Pist. germ MELOTHRIA (Bot.) a genus of plants, Class 3 Tetrandria, blunt; style filiform; stigma bifid.-Per, capsule none; Order 1 Monogynia. seed four.

Generic Character. CAL. perianth one-leaved.-Cor. petal Species. The species are perennials, as the-Melittis me one.--Stam. filaments three; anthers twin.--Pist. germ lissophyllum, seu Lamium, Bastard Baum, &c.

ovate; style cylindric; stigmas three.- Per. berry ovate; MELITTOMA (Med.) praistwa, from usre, honey; a con seed several. fection, or sweet-meat, prepared with honey.

Species. The single species is an annual, as the Melothria MELITTON (Ant.) a place where bees were kept.

pendula, Cucumis, seu Bryonia, native of Virginia. ME’LIUS inquirendo (Law) a writ which lies for a second | MELOTIS (Surg.) ponatis, a small probe.

inquiry of what lands and tenements a man died possessed, MELT (Ich.) vide Milt. when partiality was suspected. F. N. B. 255.

ME'LTERS (Mech.) those who melt the bullion in the mint MELIZOMUM (Med.) from pére, honey; a drink prepared before it comes to be coined. with honey.

MELY'RIS (Ent.) a genus of insects, Order Coleoptera, MELLA'GÓ (Med.) from mel, honey; any drink which has having the antennæ entirely perfoliate; head infected the consistence of honey.

under the thorax; thorax margined; lip clavate ; jaw oneME'LLATE (Chem.) a salt formed from the combination of toothed.

mellitic acid with alkalies, earths, and metallic oxides, as MEMBER (Anat.) in Latin membrum, an outward part of their bases.

the body, which grows from it as a branch from the trunk MELLATION (Nat.) the time of taking honey out of the of a tree. hives.

MEMBER ( Archit.) any part of a building, as a frieze, corMELLELITE (Min.) vide Mellites.

nice, &c.; it is also sometimes used for a moulding. MELLIFAVIUM (Med.) the same as Meliceris.

MEMBER (Gram.) a part of a period or sentence. MELLIGO (Nat.) the juice and gum which bees collect || ME'MBERED (Her.) an epithet in blazoning for the limbs of

from plants, which is not yet made into honey. Plin. a bird, or other animals, when of a different tincture or co1. 11, c. 6.

Jour from that of the body. MELLINUS (Ent.) a division of the genus Vespa, or Wasp, MEMBRA'CIS (Ent.) a division of the genus Cicada, ac

consisting of those insects which have the lip ovate as long cording to Fabricius, comprehending the insects of this as the jaw.

tribe which have the antennæ subulate. MELLITES (Min.) or Honey-Stone, a genus of stones, MEMBRANA (Anat.) membrane, a nervous, fibrous, broad,

Order Inflammabilia. This stone is soft and brittle, shining white, spreading substance, covering the bowels, muscles, with a glassy lustre, of a conchoidal texture, and a honey &c.-Membrana adiposa, the membrane which contains the yellow colour.

fat, and serves as one of the integuments of the body.MELLI'TIC Acid (Chem.) an acid drawn from the stone Membrana hyaloidea, or arachnoidea, the transparent memMellites.

brane which includes the vitreous humour of the eye.MELLI'TA (Med.) preparations of honey.

Membrana nictitans, a thin membrane which serves to deMELO (Bot.) or Melon, the Cucumis melo of Linnæus. fend the eyes of birds and beasts from dust, &c.—MemMELOCACTUS (Bot.) the Cactus mammelaris of Linnæus. brana pupillaris, the membrane which covers the pupil of the MELOCARDUUS (Bot.) the same as Melocactus.

eye of the fætus before the sixth month.-Membrana tympani,

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