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PERSONA'TUS (Bot.) personate, or masked ; an epithet germs four; styles short; stigmas three.-Per, none ; seeds for a labiate corolla which has the lips closed.

solitary. PE'RSONS (Theol.) subsistences, as the three persons in the Species. The single species is the Perula arborea of Holy Trinity.

Linnæus. Persons (Gram.) the inflexions of verbs which denote the PERUVIAN Bark (Med.) a well-known drug, otherwise person acting: there are three in each number.

called Jesuit's Powder, because it was introduced by the Persons (Law) are either natural, whom God has formed, Jesuits into Europe. It is the bark of a tree in Peru, which

or artificial, who are formed by human society, as corpo is the Cinchona officinalis of Linnæus.
rations, or bodies politic.- Persons ne prebendaries ne se PERUVIANUM Balsamum (Bot.) Balsam of Peru, which is
ront chargés au quinsimes, &c. a writ which lies for preben procured from the Myroxylon peruviferum of Linnæus.
daries, &c. distrained by the sheriffs for the 15th part of PĖS (Ant.) a foot or measure of length among the Romans,
their goods, or to be contributory to taxes.

equal to 11 inches 60+ decimal parts. The nós, or foot of PERSPECTIVE (Opt.) the art of delineating objects on a the Grecians, was equal to 1 foot and 875 decimal parts

plane surface, such as they appear at a given distance or of an inch. [vide Mensura]
height upon a transparent plane, supposed to be placed Pes Moneta (Archæol.) a true and reasonable adjustment of
commonly perpendicular to the horizon, between the eye the value of all coin.
and the object. This plane, which is conceived to be PE'SA (Archæol.) a wey, or certain weight of cheese,
transparent, as glass, is called the perspective table, or wool, &c.
plane, as HI. That plane, as L M, on which the perspec. PE'SAGE (Archæol.) a custom, or duty paid for the weigh-
tive plane stands, is the geometrical, or ground plane; and ing of wares.
any line drawn in this plane is called an original line. That || PESATE (Man.) Pesade, or Posade, the motion of a horse
point from which the objects are seen when they are deli that in lifting or raising his fore-quarters keeps his hind
neated on the perspective plane is called the point of view, legs on the ground without stirring. The pesate is the
or sight, as F. . This is otherwise

foundation of all the airs which a horse is taught. called the principal point. If a

PESO (Com.) Spanish, for a doilar, as the Peso duro, the perpendicular be let fall from the

hard dollar. eye, O, to the perspective table,

Peso is also Italian for weight. that is called the distance of the

PE'SSARY (Mell.) Pessarium, an oblong medicine, that is eye, or the line of distance, as

made to be thrust into the neck of the womb. Paul. O F; and if a perpendicular be

Æginet. l. 7, c. 24. let fall from the eye to the ground

PESSOMANCY (Ant.) FIT COM Trix, a sort of cleromancy, plane, that is called the height

or divination by lots, so called because it was performed of the eyje, as so. The common section of the perspec

by means of cool, pebbles. tive table with the ground plane is the ground line, line of PESSOLATÆ (Ent.) vide Morpiones. the base, or funilamental line, as NI. The line drawn | PESSO'NA (Archeol.) the mast'of'a forest, or money paid through the principal point, and parallel to the horizon, is for feeding hogs with mast, &c. called the horizontal line, as PQ; of which the points P | PE'ST House (Med.) an hospital for those who are sick of and Q are called the points of distance. The point in

the plague. which the perspective plane is met by a straight line drawn | PE'STER ABLE Wares (Com.) wares or merchandize that through the point of view, parallel to any original straight pester and take up much room in a ship. Slat, 32. H. 8, line, is called the vanishing point of that line; and the in

c. 14. tersection of the perspective plane, and a plane passing PE'STILENCE (Med.) a disease arising from an infection through the point of sight, parallel to any original line, is in the air, attended with boils, blotches, &c. called the vanishing line of that original plane.

PESTILENTIAL Fevers (Mod) such as not only afflict the Perspective is either aerial or linear.

patient with a vehement lieat, but also with malignant tire has reference principally to the colouring and shading

and venomous symptoms. of distant objects. Linear perspective relates to the PE'STIS (Mer!.) the plague; a genus of diseases, Class position, magnitude, form, &c. of the several lines or Pyreria, Order Eranthemala, in Cullen's Nosology. contours of objects, &c.

PE'STLE (Mech.) the instrument with which things are
PERSPIRATION (Mcd.) the vapour that is secreted by the pounded in a mortar.

cutaneous arteries from the external surface of the body. I PETAH (Geog.) an Indian word for the suburbs of a town.
It is distinguished into sensible and insensible ; the former | PETAL (Bot.) vide Petalum.
of which is visible in drops adhering to the epidermis; the PETALI'SMUS (Ant.) Titanic vos, a mode of punishment
off in the form of an invisible vapour.

among the Syracusans, similar to the Ostracism of the PerspInATION. (Chem.) the constituent parts of this fluid Athenians, except that the banishment was only for five

are water, animal gas, or carburetted hydrogen, azotic gas, years, and the suffrages were given by nitana, leaves, insubcutaneous oil, serum of the blood. Its specific gravity

stead of tiles. Diodor, 1. ll. is greater than that of oil.

PETALO'DES (Med.) *sturadas, an epithet for urine which PERTICA'TA terrce (Archæoi.) the fourth part of an acre of has little leaves or scales in it. land.

PETALIFORMIS (Bot.) petal-formed, an epithet for a PERTI'CA (Com.) in the plural pertiche, an Italian me.. stigma, as in the Iris.

sure, containing five bracci, or three English yards. PETALINUS (Bot.) petaline, or after the manner of a PE'RTINENS (Law) a kinsman or kinswoinan.

petal, an epithet for a nectary. PERTU'SSIS (Med.) the hooping cough, a genus of dis- | PETALO'DÈS (Bot.) petalled, an epithet for a flower have

eascs, Class Neuroses, Order Spasmi, in Cullen's Nosology. ing petals. PERVE'RSIO (Med.) the same as Diastremma.

PETALOMA (Bot.) a genus of plants, Class 10 Decandria,
PERU (Bot.) the Dolichos of Linnæus.

Order 1 Monogynia.
PERULA (Bot.) a genus of plants, Class 22 Dioecia, Order 12 Generic Character. Cal. perianth one-leaved.—Cor. petals

five.-STAM. filaments ten; anthers oblong.- Pist. germ Generic Character. Cal.perianth two-leaved.Cor. petal ovate; style long; stigma simple.—Per. none; seeds

STAM. filaineris many; anthers thick. - Pist. four.

Aerial perspec

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PENTACO'NTARCH (Polit.) *EVTMÓVTCpxes, from Tivtúxorta, || PE'ONY (Bot.) another name for the Paeonia of Linnæus.

fifty, and čepxos, a ruler; a captain who had the command PEPA'NSIS (Med.) CiTUVON; the correction of depraved hu

of fifty men. Demosth. adv. Polyclen ; Harpocration. mours in the body. PE'NTECOST (Bibl.) +stnosi, i.e. the fiftieth day after | Pepansis is also the inaturation or concoction of humours. Easter; the festival of Whitsuntide.

PEPA'SMUS (Med.) the same as Pepansis. PENTECO'STALS (Ecc.) offerings made at Whitsuntide by PEPA'STICS (Med.) Pepastica, kitu cixie; medicines that alparishioners to the priest.

lay and digest crudities. PENTELORES (Ant.) a sort of garment for soldiers, adorn- PE'PLION (Bot.) a species of the Euphorbia. ed with fringe.

PE'PLIS (Bot.) a genus of plants, Class 6 Hexandria, Order 1 PENTESERI'NGUS (Ant.) an instrument of punishment Monogynia.

among the ancients, something similar to our stocks, hav Generic Character. Cal. perianth one-leaved.Cor. petals ing five holes, wherein the head, legs, and arms, of cri six. STAM. filaments six; anthers roundish. - Pist. minals were fastened, to prevent them from stirring.

germ oval; style short; stigma orbiculate.- Per. capsule PENTHEMI'MERIS (Grum.) = sempespessis; part of a Greek superior ; seeds many. - or Latin verse, consisting of five half-feet.

Species. The species are annuals, as the - Peplis portulaca, PENTHOʻRUM (Bot.) a genus of plants, Class 10 Decan Portulaca Glaux, seu Alsine, Water Purslane. - Peplis dria, Order 4 Pentagynia.

tetrandra Hedyotis, seu Ammannia, &c. Bauh. Pin. ; Generic Character. Cal. perianth one-leaved.-Cor. petals Ger. Herb.; Park. Theat. Bot.; Raii Hist.; Tourn. Inst.

five. — Stam. filaments ten; anthers roundish. — Pist. PE'PLUS (Ant.) or Peplum, nitaos, sólov; a loose female germ conical; style distant; stigma blunt.-Per, capsule robe without sleeves, which went down to the feet, and, simple; seeds many.

when curiously studded and embroidered, was offered to Species. The single species is the Penthorum Sedoides, the goddess Minerva, both on occasions of joy and mournAmerican Penthorum.

ing. Eustat. in Odyss. 1. 18, v. 291. PE'NTHOUSE (Archit.) a shed hanging forward in a sloping || PE'PO (Bot.) the Cucurbita pepo of Linnæus. direction from the main wall of a place.

PEPPER (Bot.) the Piper of Linnæus. - Pepper-grass, the PE'NTILE (Mason.) a tile formed to cover the sloping part Pilularia globulifera.-Guinea Pepper, the Capsicum anof a roof,

nuum.-Jamaica Pepper, the Myrtus pimenta of Linnæus. PENTSTE'MON (Bot.) a genus of plants, Class 14 Didy - Pepper-wort, the Lepidum annuum. namia, Order 2 Angiosperma,

PE'PSIS (Med.) záyıs, the concoction or fermentation of Generic Character. Cal. perianth one-leaved.-Cor. petal the aliments or humours in the body.

one.-Stam. filaments four; anthers bifid.-Pist. germ || PEPU'ZIANS (Ecc.) an heretical sect which sprung up in ovate; style filiform; stigma truncate. - Per. capsule the second century, a branch of the Montanists. Euseb. ovate; seeds many

Hist. Eccl. 1.5; S. Epiphan. de Hær. 49; S. August. de Species. The species are perennials, as the-Pentstemon Hær, c. 27. lævigata, seu Chelone, seu Digitalis, Smooth Pentstemon.PER (Gram.) a Latin preposition signifying by or through, - Pentstemon pubescens Latifolia, &c.

is used in several phrases, as per force, pr ann. or per anPE'NULA (Ant.) or Penula, a thick garment worn as a de num, pr cent. or per centum, &c. fence against cold and rain.

Per ascensum (Chem.) a mode of distillation by which the Hor. l. 1, ep. 11, v. 17.

liquor is made to ascend.
Incolumi Rhodos et Mitylene pulchra facit, quod

PE'RA (Bot.) the Perula arborea of Linnæus.
Panula solstitio, cumpestre nivalibus auris,

PERA'CTEÅ (Mech.) a mathematical instrument used in
Per brumam Tiberis, Sextili mense caminus.

surveying Juven. Sat. 5, v. 78.

PERACU’TE (Med.) very sharp; an epithet for diseases fremeret sævá cum grandine rernus

which are greatly inflamed. Jupiter, et multo stillaret, penula nimbo.

PERA'DO (Bot.) the Ilex perado of Linnæus. Cic. pro Mil. c. 20; Senec. Epist. 87; Plin. l. 8, c. 48; PERAGRATION MONTH (Astron.) the space of the Quintil. Inst. 1. 6, c. 3; Mart. 1. 14, cp. 130; Sueton. in Moon's course from any point of the zodiac to the same again. Gall. c. 6; Tertull. Apolog. c. 6.

PE'RAGU (Bot.) the Clerodendrum fortunatum of Linnæus. PENU'LTIMATE (Gram.) from pene, almost, and ultimus, | PERAGU'À (Bot.) the Cassine peragun of Linnæus. the last; the last syllable but one in a word.

PERA'LU (Bot.) the Ficus of Linnæus. PENUMBRA (Astron.) a faint or partial shade observed | PERA'MA (Bot.) the Mattuschkæa of Linnæus.

between the perfect shadow and the fall of light in an PERAMBULATION of the Forest (Law) the walking of eclipse: thus, suppose S to

justices, or other officers, about the forest, in order to surrepresent the sun, and M A

vey it, and set down its bounds. 16 Car. 1, c. 16; 4. Inst. 30. the moon; then, since lu

- Perambulation of Parishes is made by the minister, minous rays are observed S

churchwardens, and parishioners, by going round the to proceed from every part

boundaries thereof once a year.- Perambulation of Maof ihe sun's disc, there will

nors, vide Perambulatione. be no part of the shadow in

PERAMBULATIONE facienda (Larv) a writ commanding which the light will be totally intercepted, except that the sheriffs to make perambulation, and set down the included within the rays proceeding from the extreme edges bounds of two or more manors, whose limits are not well of the sun and moon,' A B C, and E D C, the other part of known. F. N.B. 128, &c.; New Nat. Brev. the shadow, i.e. from C to H and I, experiencing only a PERA'MBULATOR (Mlech.) a rolling wheel for measuring partial interception, and consequently in those parts a faint roads, streets, &c. light will be observed proceeding from the darkest shades | PE'RCA (Ich.) a genus of fishes of the Thoracic Order. at C, diminishing both ways to H, where it is lost in per Generic Character. Jaws unequal; teeth sharp, incurved; fect light. Penumbras must be constant attendants of all gill.covers scaly; gill-membrane with seven rays; lateral eclipses, whether of the sun or moon, or planets primary line arched with the back; scales hard ; fins spinous ; vent or secondary.

nearer the head than the tail. PE'ON (Mil.) a name for foot soldiers in India employed in Species. This fish, known by the general name of the police duties.

Perch, inḥabits the clear streams of Europe and Siberia.

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The principal species are the-Perca marina, the Sca- || PERE'NNIAL (Bot.) perennis; an epithet for a plant, the Perch.-Perca labrax, the Basse. — Perca cernua, the root of which continues more than two years. A stem, or Ruffe. -Perca nigra, the Black Fish.-Perca formosa, root, is also said to be perennial in the same sense. Those the Squirrel Fish.

perennials which retain their leaves through the winter are PERCAPTU'RA (Archæol.) a wear, or place in a river maile called evergreens ; but such as cast their leaves in autumn,

up with banks, dams, &c. for preserving and catching fish. or previously, are called deciduous, or perdifels. PERCE'PIER (Bot.) the Aphanes arvensis of Linnæus. PERETE'RITÓN (Surg.) from Espéw, to pass through; a name PERCH (Com.) a measure of sixteen feet and a half.

for the trepan, from its use in perforating the cranium. PERCH (Ich.) a well-known, the Perca of Linnæus, PE'RFECT TENSE (Gram.) a tense so called because it

which grows to two feet in length, is of a deep green co denotes an action that is finished. lour on the back and sides, spawns in May and June, and Perfect Number (Arith.) one whose aliquot or even parts is very prolific. The flesh of the perch is very delicate, joined together will exactly make that whole number, as and from the integuments a glue is procured.

6, which is equal to 1 + 2 + 3; and 28, which is equal to PERCHANT (Sport.) a decoy bird used in fowling, which, 1+2 +4 +7 + 14.

being tied by the foot, flutters and draws other birds to it, PERFE'CTUS (Bot.) perfect; an epithet for a flower; flos by which means they are caught.

perfectus, a flower having both stamen and pistil, or at PERCHE'RS (Ecc.) Paris candles anciently used in Eng. least anther and stigma; of which description are all her.

land; also the larger sort of wax-candles which were usually maphrodite flowers. set upon the altar.

PERFLEW (Her.) vide Purflew. PERCẢLO'RIC Acid (Chem.) a compound of chlorine and | PERFOʻLIATA (Bot.) the Brassica orientalis of Linnæus. oxygen.

PERFOLIATUS (Bot.) perfoliate; an epithet PERCHLORIDE (Chem.) a compound of chlorine with for a leaf, the base of which entirely surrounds phosphorus in a certain proportion.

the stem transversely, so that the stem seems PERCLOSE (Her.) or demigarter; that part of the garter to have been driven through the middle of that is buckled and nowed.

the leaf, as in the annexed figure. PERCOLATION (Chem.) the process of straining through PERFORANS Musculus (Anat.) a muscle of a sieve.

the fingers, so called because its tendons run through PER cui et post (Law) writs of entry so called.

those of the perforatus manus.Perforans pedis, a muscle PERCU'SSION (Nat.) the impression a body makes in fall of the lesser toe, the tendons of which pass through those

ing upon or striking against another. It is either direct or of the perforatus pedis. oblique.Direct Percussion is that in which the impulse is | PERFOKA'TÆ (Bot.) the name of the sixticth Order in made in the direction of a line perpendicular at the place Linnæus' Fragments of a Natural Method; so called beof impact, and which also passes through the common cause these plants have their leaves perforated with small centre of gravity of the two striking bodies.- Oblique Per holes. cussion is that in which the impulse is made in the direc- || PERFORA'TION (Surg.) the penetrating by an instrument tion of a line that does not pass through the common


any of the greater cavities. centre of gravity, whether the line be perpendicular to the PERFORATUS (Bot.) perforated; an epithet for a leaf place of impact or not. - Centre of Percussion, that point that is full of small holes, which are apparent when held

wherein the shock of the percutient body is the greatest. up to the light, as in Hypericum. PER DELI'QUIUM (Chem.) or by deliquescence; a term PERFORATUS (Anat.) a muscle both of the fingers and toes,

applied to crystallized salts which gradually melt down on so called because its tendons admit of perforation by those exposure to the air.

of the perforating muscle Per Descensum (Chem.) i.e. by descent; a mode of distil- | PERFRICATION (Med.) à rubbing thoroughly all over.

lation when the fire is at the top of the vessel whose orifice | PERFU'ME (Nat.) any thing that sends forth a sweet or is at the bottom.

agreeable scent, as musk, &c. PERDE'TUM (Bot.) the root of skirret.

PERGU'LA'RIA (Bot.) a genus of plants, Class 5 PentanPERDI'CIUM (Bot.) a genus of plants, Class 19 Synge dria, Order 2 Digynia. nesia, Order 2 Polygamia superflua.

Generic Character. Cal. perianth one-leaved.-Cor. petal Generic Character. Cal. perianth common.

Cor. com

STAM. ....; anthers two. Pist. germs two; pact. — STAM. filaments five; anthers tubular. - Pist. style none; stigma obsolete.- Per. two; seeds ... germ small; style simple; stigma blunt .- Per. none; Species. The species are the-Pergularia glabra, seu Vilseed one.

laris, Smooth Pergularia. — Pergularia purpurea, seu Species. The species are the — Perdicium radiale, seu Asclepias, Purple Pergularia, &c. Onula, &c.

PERIA'CI (Astron.) vide Pericci. PE'RDIFOLS (Bot.) from perdre, to lose, and fol, the leaf; || PERIAMMA (Med.) <spízepepet, or periapta ; a medicine an epithet formerly applied to deciduous plants.

which, being tied about the neck, was supposed to expel PERDONATIO utlegati (Law) a pardon for one who is diseases. outlawed.

PERIANTHIUM (Bot.) from Tipi, about, and soos, a flower; PERDU' (Mil.) a term applied to any soldier who is in a the perianth, or calyx of a flower when contiguous to the

dangerous post, whence enfans perdus, in the plural, for flower, by which it is distinguished from the calyx, which the forlorn hope of an army.

is the outer covering of the flower, as PEREGRINE (Astrol.) an epithet for a planet when found in the annexed figure, where a repre

in any sign where it has none of its essential dignities. sents the calyx, and b the perianth. PereGRINE (Falcon.) a hawk of the Falcon tribe, the Falco The perianth is distinguished intoperegrinus of Linnæus.

Perianthium Fructificationis, the PePÉRÉMPTORY (Law) an epithet for any thing that is rianth of the Fructification, including

absolute or determinate. - Peremptory action, a determi the stamens and the germ. — Periannate and final act, which cannot be renewed or altered, as thium Floris, the Perianth of the Flower, which contains a peremptory nonsuit. F. N. B. 35, 38, &c.-Peremptory the stamens without the germ.- Perianthium Fructus, the exception, that which makes the state and issue in a cause. Perianth of the Fruit, which contains the germ without Bract. 1. 4, c. 20.Peremptory writ, vide Optional.

the stamens.


The perianthium is moreover distinguished into caducum, perihelion. In modern astronomy the Perigee is still ap.

that falls before the flower opens; deciduum, that falls plied to the moon, comets, &c. to denote their nearest after the flower opens; persistens, continuing after the approach to our planet. flower is withered; proprium, belonging to one flower; PERIGORD-STƠNE (Min.) a sort of manganese found at commune, belonging to several flowers; monophyllum, Perigord in France. bifidum,tubulosum, abbreviatum,obtusum,spinosum, æquale, PERIĞRA'PKA (Anat.) certain white lines and impreslabiatum, superum, and imbricatum ; squarrosum, turbi sions observable in the musculus reclus of the abdomen, natum, &c. (vide Monophyllus, &c.]

ccording to Vesalius. PERIBLE'PSIS (Med.) spiritis, from spißabtw, to look PERIHE'LION (Astron.) from tipi, about, and, the

around; a wild staring around, as of one in a delirium. sun; that point of a planet's orbit in which it is nearest to PERI'BOLE (Med.) from spoßeana, to surround; a transla

the sun. tion of the morbific humours to the surface of the body. PERILE'PSIS (Rhet.) sepéditos, a form of speaking in which PERIBRO'SIS (Med.) an erosion, or ulceration at the cor the orator comprehendis many things under one argument, ners of the eyelids.

in order to give it more force. Ulpian. ad Demosth. ArisPERICA'RDIÍ Arteria (Anat.) the artery of the Pericar tocrat. p. 454.

dium, which rises from the anterior middle part of the PERI'LLA (Bot.) a genus of plants, Class 14 Didynamia, common trunk of the subclavian or the carotid arteries. Order 1 Gymnospermia. Pericardii vena springs from the trunk of the superior Generic Character. CAL. perianth one-leaved. — Cor. cava.—Pericardii Liquor, vide Pericardium.

petals one.-STAM. filaments four ; anthers bifid.Pist. PERICARDI'TIS (Med.) an inflammation of the Pericar germs four; styles two; stigma simple. -Per. none; seeds dium.

four. PERICA'RDIUM (Anat.) Tspixedhor, compounded of tipi, Species. The single species is an annual, as the- Perilla

about, and rupice, the heart; a double membrane which ocymoides, seu Melissa, native of the Expert Indies. surrounds the whole compass of the heart. It contains a PERIM-KAKU-V:ALLI (But.) the Mimosd of Linnæus. humour called the Liquor Pericardii, which serves to lu PERIMETER (Gram.) Tipipestpos, tlie name of a verse which bricate the heart.

has a syllable abóxe the just measure. PERICA'RPIUM (Bot.) from spi, about, and xepzes, fruit, or PERIMETER (Geom.) the compass, or sum of all the sides seed; pericarp, seed-vessel, a yiscous bag with seeds, or a

which bound any-figure. vessel producing seeds, which itplets drop when #ey are PERINÆXCELÉ (Med.) a rupture in the perinæum. ripe. The principal sorts of pericarps are, the Capsule, || PERINÆUM (Anat.) 7 spirziou, a ligament or seam between Silique, Legume - Follicle, Drupe Pome, Berry, and Stro the scrotum and the anus. bile. [vide Capsule, Silique, &c

PERI'NDL VALERE (Law) a dispensation granted to a PERICARPIUM (Meln) from aspi, labout, and xceptos, the wrist; clérk, wloo being otherwise incapable of a benetice, is aca medicine formerly applied to the wrist to cure an

tually admitted to it. ague.

PERIŃY'CTIDES (Med.) little swellings like nipples. Gorr. PEŘICHÆTIUM (Bot. From iri, about, and xuítn, a horse's Def. Med.

mane; a bristly involucre surrounding the base among the PERIO'CHE (Rhet.) nispozí, an argument containing the leaflets in mosses.

sum of a discourse. PERICHO'NDRIUM (Anate) from nepi, about, and xordpos, PERIOD (Gram.) saspiedos

, a perfect sentence or close; or a cartilage; the membrane that covers a cartilage.

according to Aristotle, a sentence having a distinct beginPERICHRI'SIS (Mcd.) fram api and xpia, to anoint; a ning and end. Aristot. Rhet. 1. 3, c. 9; Dionys. de Comp. liniment.

c. 2; Longin. de Sublim. c. 40; Hermog. Tips sup. 1. 4; PERICHRISTA (Med.) ffam ripi, around, and zpiw, to Demet, de Eloc. Ø 10.

anoint; any medicines with which the eyelids are anointed. Period (Print.) a full stop at the end of any sentence, PERICLYMENI flore (Bot.) the Spigelia marilandica of marked thus (.) Linnæus.Periclymeni similis, the Volkameria.

Period (Arith.) a distinction made by a point or comma PERICLYMENO accedens (Bot.) the Cinchona of Linnæus. after every third place or figure in numeration : also in the PERICLY'MENUM (Bot.) the Chiococca racemosa of Lin extraction of roots to point off or separate the figures of

the given number into periods or parcels. PERICRA'NIUM (Anal.) +Epixpériov, from rripi, about, and Period (Astron.) the entire revolution of a planet.

xpársav, the cranium or skull; a membrane which closely in Period (Chron.) the revolution of a certain number of years, volves the bones of the skull.

in which sense it is applied more particularly to the largest PERIDE'SMICA (Med.) an epithet for an ischuria, or sup spaces of time, as the Julian Period, in distinction from pression of urine, from stricture in the urethra.

cycles and æras. [vide Chronology] PERI'DIUM (Bot.) a name given to the capsule of the PERIOD (Nied.) the interval between the coming of fits in

Mushroom, being a dry membranaceous hollow vessel filled intermitting disorders. with spore or gongyles.

PERIODICAL (Astron.) an epithet for the motions or PERIDROMIS (Archit.) tipidpopis, an open gallery or walk course of the heavenly bodies within any given space of encompassing the palæstra. Vitruv. l. 5, c. 12.

time. PERIDRO'MOS (Anat.) the extreme circumference of the PERIODUS sanguinis (Anat.) a continual circulation of the hairs of the head.

blood through all parts of the body. PE’RIENET (Bot.) a young pear-tree.

PERICECI (Astron.) Tipioixa, inhabitants of the earth who PERIERGY (Rhet.) *ipspyia, a bombastic or laboured style. live under the same parallel of latitude, but opposite paPERIESTE'COS (Med.) spiss news, from uspoismus, to stand rallels of longitude. The length of their days and their

around; an epithet for signs or symptoms which prognos seasons are the same, but their hours are opposite, for ticate a recovery.

when it is twelve at night to the one, it is twelve at noon PERIGÆ'UM (Astron.) asparasov, from wifi, about, and gñ, to the other. Cleomed. 1. 1.

the earth; that point in the orbit of the sun or planets, PERIO'STEUM (Anat.) from nepi, about, and óssov, a bone; according to the Ptolemaic system, which is nearest to the the membrane which envelopes nearly all the bones of the earth. It is opposed to the apogee, and is now called the body, which, on the cranium, is called the Pericranium; on VOL. II.

2 u

• næus.


the orbits of the eye, Periorbita; on the cartilages, Peri- | PERISTAPHYLI’NUS (Anat.) an epithet for two muscles chondrium; on the ligaments, Peridesmium.

of the uvula ; namely the internus, which draws it forPERIPATEʼTICS (Phil.) .ss.catntixo!, a name given to the wards; and the externus, which draws it backwards.

followers of Aristotle; so called because their master used PERISTAPHYLO-PHARYNGÆI (Anat.) two small musto deliver his lectures, Tiparut@, i.e. walking.

cles of the pharynx. PERIPETA'SMA (Ant.) a rich sort of hangings for rooms, PERISTERIUM (Bot.) the herb vervain. or coverings for floors.

PERISTRO'MATA (Anat.) nepíspapeta, the coats which PERIPHERY (Geom.) sep. Pepside, the circumference of any cover the bowels. curve, as the circle, ellipsis, parabola, &c.

PERISTY'LIUM (Ant.) Expısúasos, a piazza, as in the middle PERI'PHRASIS (Rhet.) spoopeois, another name for circum of the Gymnasium at Athens, which was so called from

locution, or that figure of speech which consists in express Tahfi, about, and súños, a column, because a piazza is ing, by many words, what might be expressed by a few. bounded or inclosed by columns. It was designed for Cic. ad Herenn. I. 4, c. 32; Quintil. I. 8, c. 6; Longin. de walking and other exercises connected with the Palæstra. Sublim. c. 28; Alex. Aripi oriu.; Edib. Ald. p. 584.

Vitruv. I. 5, c. 2; Poll. I. 1, c. 8; Philand. ad Vitruv. ; PERIPHIMO'SIS (Med.) vide Phimosis.

Bald. Ler. Vitruv. PERIPLO'CA (Bot.) a genus of plants, Class 5 Pentan- PERISY'STOLE (Med.) from uspi and ovçoan, the time of dria, Order 2 Digynia.

rest between the contraction and the dilatation of the heart; Generic Character. Cal. perianth five-cleft.-Cor. petal a pause or intermission between the systole and diastole.

one.—Stam. filaments fíve short; anthers twin. - Pist. PERITERION (Surg.) the same as the Trepan. germs two ; style filiform; stigma capitate.—PER. follicles PERITONÆOREXIS (Med.) from specorator, the peritotwo; seeds many:

næum, and pórow, to break; a bursting of the peritonæum Species. The species are shrubs, as the-Periploca græca, and consequent hernia. seu Apocynum, Common Virginian Silk or Periploca.- PERITON 'UM (Anat.) Tepetovažov, a membrane which

Periploca Africana, seu Cynanchum, African Periploca, covers the whole abdomen on the inside, and incloses
&c. * Clus. Hist.; Dod. Pempt.; Bauh. Hist.; Bruh. the intestines.
Pin.; Ger. Herb.; Park. Theat. Bot.; Raii Hist.; PERITONI'TIS (Med.) an inflammation of the perito-

Tourn. Inst.
PERIPNEUMONIA (Med.) vide Pneumonia.

PERITRO'CHIUM (Mech.) the wheel which, together with

() , PERI'PTEROUS (Archit.) an epithet for a place encom the axis, forms one of the simple mechanical powers called passed about with columns.

the axis in peritrochio. [vide Axis and Mechanics] PÈRIPU (Bot.) the Delima savinosa of Linnæus.

PERI'TTOMA (Med.) TEPITTwpice, an excrement in the body PERIPYE'MA (Med.) zaspitúmpece, a collection of pus round after digestion ; also the remains of a disease. any part, as round a tooth in the gum.

PE'RJURY (Law) perjurium, a swearing falsely, knowingly, PERIÉRHANTE'RIUM (Ant.) z spoppert opior, a vessel among and wilfully, in a solemn manner, before a magistrate ap

the ancients usually of stone or brass, and filled with holy pointed by law to administer oaths.-Subornation of Perwater, with which all those that were admitted to the sa jury, the procuring any man to take a false oath, which in crifices were besprinkled, and beyond which it was not Common Law amounts to perjury. lawful for any one to pass, who was Bébrnos, i. e. profane. PE'RIWINKLE (Conch.) a shell fish, the Turbo littoreus

Poll. Onom. I. 1, segm. 8; Suidas; Phavorinus, &c. of Linnæus, which inhabits most European shores; and is PERIRRHE'XIS (Med.) from Fipi, about, and peyrópes, to said by sailors to indicate stormy weather if seen crawling

break; a breaking off or separation of corrupted parts. higli up the rocks, and calm weather when they descend. PERIRRHCE'A (Med.) a spoppeia, a reflux of humours from || PERIWINKLE (Bot.) the Vinca of Linnæus, a perennial.

the habit of the body into any one of the larger emuncto- | PERIXYO'MENOS (Ant.) an epithet for a statue which ries for its excretion; as, in an hydropical case, the reflux represents one scraping or currying himself all over. Plin. of the water upon the bowels or kidneys, where it passes

1. 34, c. 8. away by stool or urine.

PERIZOMA (Surg.) spi&wpe, a term which strictly signifies PERISCELIS (Her.) sprxsnis, signifies literally a garter, a girdle ; but is applied by Hildanus to those instruments

whence eques periscelidis is a knight of the most noble for supporting ruptures which are now called trusses. Order of the Garter.

PERLATED (Chem.) an epithet for what appears like PERISCEPA'STRUM (Surg.) vide Catholceus.

pearls, as the Sal mirabile perlatum. PERI'SCII (Astron.) sur xsoi, from tepi, about, and oxide, PERMEATION (Phy.) the piercing or passing through the

a shadow ; Periscians, the name of those inhabitants of the pores of any body. earth, whose shadow goes round them in a day. This is PER minima (Phy.) the perfect mixture of the smallest parpeculiar to those who inhabit the frigid zone, where the ticles of several bodies or ingredients.

sun does not set for a considerable time. Cleomed. l. 1. PERMISSIVE waste (Law) negligent waste. [vide Waste] PERISCYLACI'SMUS (Ant.) Tipic xvid.xiquès, a method of PERMIT (Larv) a note given by the officers of the excise

purification among the Greeks, by drawing csónat, a whelp, for conveying spirits, tea, coffee, winc, &c. from one place about the person. Plut. Quæst. Roman.

to another. PERISCYPHISMUS (Surg.) from nepi and xudos, gibbous ; PERMUTATIO (Rhet.) the Latin name for the figure of

an incision made across the forehead, or from one temple speech called in Greek chanyepit. Cic. ad Heren. I. 4,

to the other, in case of a defluxion of the eyes. PERISPHA'LSIS (Med.) tipic Panous, the circumrotation of PERMUTA’TIONS of quantities (Algeb.) the different orders a luxated bone for the purpose of its restitution.

in which quantities may be arranged; thus the permutation PERISSO'LOGY (Rhet.) per conovic, from nepirris, abun of the three quantities, a, b, c, taken two and two together,

dant, and nógos, a word ; a vicious sort of speech which are six, as ab, ba, ac, ca, bc, cb. abounds in superfluous words.

PERMUTATIONE archidiaconatus et ecclesiæ, &c. (Law) a PERISTA'LTIC Motion (Anat.) = eposaatinis, the vermicular writ to an ordinary, commanding him to admit a clerk to a

motion of the intestines, so called from spisiana, to con benefice upon exchange with another. Reg. Orig. 307. tract, because they contract their spiral fibres so as to | PER my et per tout (Law) a term applied to a joint tenant, propel their contents.

who is said to be seized of the land he holds jointly per my

c. 34.

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