1000000031

M E D

17° )

M E L

diachylon , or Oyp,icum 'Croll,ii, fioce one or o,her of

,hefe is .lmoO oonHdntly wan,ed .

Nei,.her lhould

there be wanting ;\ piece of bluc vitriol for che raking

down lu >\uriant

Ad h,

and

{lop hremorrhages; bu!

"itriol ¡s· wanting. bUrnt alum . red precipitate,

che

infernítl none, or any other c9rrofive medicine. will

fupply irs pl:.ce in

corrofi~e

¡ntentioos, and

lhe

Jan

will

airo

ferve

to apeo aGfce(ft:s,"

make ilTues,

ano

pedorm

m,lny

other

operatíons of

¡hat kmd .

Wi,h ,hefe ,here lhould .

Iw.ys

be kept in readinds

alfo

quan,i,y 'of fcraped lin" ,ha, ,he furgeon may

be able to give

i'!lmcdlate

affiflance

wounded

perrOO!;

fince. if he is unprepared for ,h i" ,hey may eaGly be

taken off

an hzmorrhage; a

circllOlfiancc

which

ough, alfo to

prev.il

with him tO be alw. y' providcd

w'lh fui,able bandagcs.

MED ' NA, a ci,y of Arabia D efer'a, fituated ,wo hun–

dred miles north· wen of M ecea : in E . long. 40° 35'.

N lat. 24° 30'.

~i,

i, called ,he ci,y of ,he prophe!, on aCCOlln' of

M ahome,'s being recei ved and pro,edcd by ,he inhabi–

tant's on his fligh t hither from Mecccl, where the Ma·

hnme-tan :ira commences.

MEDITERRANE-\N

OH,

ex'ends from ,he Oraits of

G,braltar 'o ,he coaUs of S yria andoP aleOine. being

upwards of

2 000

miles in length. but o( a very uneq ual

breadth,: lhe weH- R3rt of

feparates ElIrop'!

Afriea; and ,he L evan' or ea(l· par' of i, divides AG.

(ro, ' Arrica.

MEDITULLIUM, is ufed by ana'omiOs for ,ha, fpungy

fubHance between [he twa plates of the cranium, and in

the intedli ....es of aH

Jaminated

hanes .

MEDIUM, in logic, ,he me¡¡n or middle ' erm of a fyl–

Jogifm. being

argumenr,

rearon,

confider:nion

for

wh~

\Ve

affirm or deny any Ihing:

oro it

is the cauCe

why~the

greater e'xtreme is affirmed or denicd of the

lefs in

lhe

concluGon.

MEOIUM,

in arirhmetic, or

arith1lutica/

MED I U ..

MEA~,

that which is equally

dilbnc

from e3ch extreme,

br'which exceeds rhe lelfcr

e XI

reme

fl.S

much as'

excceded by ,he grea,er, in refpeé! of quanti,y no' of

proponían : rhus 9 is a medium between 6 and

12.

lIhD'

UM; in philofoph y, ,ha' fp1ce or region ,hrough

which a body in motian paffes

any poi nt : thus air,

is [he medium wherein bodies move near our earth ;

water, thc merlium wherein fifhes live and move; and

glafs is aI ro

medlum of lil!ht. as

affurds

ir'

a free..

palr.lge , ,Tha, denfi,y or confillence in the pans of ,he

meJium, wherehy the motinn of bodies

in it i5

re!arded.

js called

the

refillance of lht:!'

mcdium;

which together

wilh the (urce of gra\·i ry. is lhe caufe of the ceOation

of t

motion of

ojeétde'i.

Sub/il!

~tl'(rjal

MEDIUM.

Sce

JETHER.,

M EDL.-I R, in bOlany, See M E<PlLU' .

M E O ULLA . in analOnly , See

.~NATO"Y,

p. 147.

J\1

EOUL.LA

OBLONGATA .

See

AN ATOM Y,

287.

h 1FD\ILL A SP TNALIS

See

ASA T OMY,

288 .

!\1EDUS \ ,

zoohgy,

a,cenus ot toreéis belongio,(! to

ti1\.:

j)rcL r "f m"lurcd. The body is gebttinolls. roundifh,

and dtf'Tdrr:d;

and

lh,.

moulh

i:;

the centre

the

under part of ¡he body. There are ,welve fpociel, aH

natives of the fea.

MEO

AY, a river which rifes in· AO,don foreU in Suf–

fex

and runmng

t~rough

Kent,

dividen lnto two

br,. nchos by.,he IfIe of Sheppy, one of whieh

c.lJod

E.U Swale, and ,he o,her W en Swale.

MEISSEN, once ,he capital of

\oe

marquifa,e of Milren

or Mlfnia. in Upper Saxuny. on the river Elbe, ten

miles oonh of l)refden.

MELAMPODIUM, in botony, a genus of ,he fynge–

nelia polygamla

o,:ceRana claCs. The reeeptade

pa–

le.;ceous and conical

the pappus cooGns of one va/vc–

fhaped leaf, and the c"lix ot live leaves. Tbere are

two fpl!cies. both

n<ltiv~s

of Britain

MELAMPYR UM, a genu. of ,he didynami. angiofper–

mia c1afs. The calix has four fegments; the upper

lip of ,he coroll. is comprelred, and ben, b..k

,he

edge; and the capCule has

[WQ

oblique cells, containing

two

gibbous Ceeus. There are ·6ve Cpecies, four of

thero natives of Hritain,

viz

lbe crifiatum. or creCled

cow( wheat; lbe

arv~DIt:,

or purple

co\v

whe;u;

the

pnte nCe, or meadow

tow·wh!:~t;

and the fylvaticurn,

or yeJlo'W cow-wbeat.

MELANCHOLY, in medicine, a kind of delirium, .t–

tended

wllh

gloomy

thou&hts, beavinefs, and [orrow.

Se.

MEDICINE.

MELANTERI A, in na,ural hinory, • very beautiful

rol11

denle, comp;lI..'t, aod regular texture, and of

an extremcl y brigh'

p.le

yellow, refembling no'hing-fo

much as the purelt gold: it is rem.l kably heavy, and

is ufually found io litde irregular Ola{fl!s of lhe bignefs

of a pigeon's egg, which are broken

wi rh a

fligbt blow:

bu, i,

ufually me' wi,h in ,he forOl of a line gold–

cClloured ernoreoce or vitrioJic and pyridcal bodiC's ; or

in loofe. fllattcry and

rrilbl~

ma{fc:s of

mOre dufky

yellow . io which Idtter fbtte ir fo much reCembles a na:

uve fulphur , thar

is frequently mill.tken for one:

ho~ever.

it is nOl i-ofl.t01nlilble ; but calcines in lhe 6re

greyifh pou der, which by burning langa changes

to a d« p and fine pu'ple

T he Grceks uled it externalIy, as

gende efehafotic

and

Hyptic: they mOlde it

iog ~edicnt

in their oint–

me.nts for old ul:e rs, and

urtd

fprinkle the powder

'of

on frdh wounds

llop

lhe h::cmorrhage.

M ELANTHIUM . '" bo,any, a genus of ,he hex. nJ ria

" !gynia cI. f,. T he coroll. confiUs of Gx petals; .nd

the fi laments are compoft!d of the long Ullgues ot the

corolla. There are thl ee

fpeci~s.

none

01'

thc:m na1i\"es

ofHrit;ti n.

M E L \NURUS, in ich,hyology, Se< S ' AO US .

'MELAST O MA. in botJny, a

~enus

of ,he dccandria

monogyni. claf,. The cdli. is bell-lh. ped, . ntl has

fOl1r Cegments

d,e

ptt:t!s are live,

Inkrt~d

lOtO

the

calix; and the bcrry has

fi\'t!

cl..'lIs. Thl."re

a.re

tweh-e

fpc:cies.

oon~

them

n¡¡u\"es of Hritain.

MELCHITES . in church. h'{lor)'. ,he name r.;vcn 'o

lhe Syriac.

E r.y pttan,

anJ othc:r Chr;fl"ms af tl'e

LI!–

"ant. T hc l\1dchites. excqHing Come few poi:)ls

lilde or no impon ttnC"(',

whil'h

relate unl"

ceu..mo–

oics and eccldi.llbcal difciplinc, are' in every rt'lpc:lt

prol,O;,,1