1000000030

( 775

¡nd Lirge, 00 the eall: by Ihe Cambrefis, Pieardy,

and Champaign, 00 Ihe fouth; and by Anois, and

another pdft of Flandm, on Ihe well: Ihe nonh pm

fubjee'! 10 Ihe houfe of Aurlria, and tbe foulh pan 10

Franee. !ts capital is Mons.

HAYWARD, Ihe perfoo wbo keeps Ihe eommoo herd

or eattle of a 10IVI1.

HAZARD, a g3me 00 dice, wilhoul lables, is very

properly fo ealled; fioee it fptedily makes aman, or

nndoes him.

is played w'th only two dice; aod as many may

play

it as eao lIand rouod Ihe largell round lable.

Two Ihings are ehieny to be obferved,

viz.

main

aod ebloee; the lamr beloogiog to Ihe ealler, and

Ibe former, or maio, to Ihe otber gamellers. There

eao be no m,io Ihrown above nioe, nur under 6ve •

fo Ihal 6ve, fix, feven, eight, and ninc, are Ihe onl y

mains fluog at hazard. Chaoees and oielo are from

four 10 leo: Ihos four is a ehaoee to oioe, 6ve tO

dghr, fil( tO feven, feven to

fix,

eig .1to five; aod

nine aod teo a ehanee tO 6ve, ¡¡x, feven, aod eight :

io nlOrt, foo r, 6ve, fix, feven, eighl, nine, aod ten,

are chaoces to any maio, if any

rhefe niek il noto

NolV nieks are eilher IVhen !he ebanee is Ibe fame wilh

Ihe

m~in, a~

6ve and 6ve, or Ihe like; or

fix

aod

Iwelve,

fe.eo

and eleven, eight and Iwelve. Here

obferve, Ibal twelve is out lO oine, fe ven, aod uve;

eleveo is out 10 oioe, eigbt, fix, aod hve ' and ames-

aee aod duee·aee, are out 10 aJl maios wbatever.

HAZLE, in botany. See Coa

HUS.

HAUS'EARTH, or HAZLEY SARTH, a kiod

red

loam, whieh is faid 10 be an exeellent mixtore with

olher fons of eanh: uoitiog whal is 100 loofe, eooling

what is tOO hot, aod gently eOlertaioing the moillure.

HEAD, in anatomy. See AUTOMY, Part

&c.

HEAD'ACH, a mo(l troublefome [eofalioo io Ihe head,

produeed by varioos eaufes. and alleoded with differ–

ent fymptoms, aeeording tO its dilterenl degrees, aod

Ibe place wher. it is femd. See MEDICINE.

Dragon'l

HUD, io allronomy,

&c.

is Ihe afeeoding

node of Ihe moon, or olher plaoet.

HEADFORD, a lown of Galway, io IreJand, Iwelve

miles nonh or,he eity of Galw.y.

HEALTH is a rigbt difpofitioo of the body, aoJ of all

its parts: eoofilling io a due temperature, a righl

eonformalion, juU eoone[tion,

an~

ready and free ex–

ereife of Ihe reveral vilal fun[tioQs.

HEAM, in beafis, is Ihe fame wilh Ihe feeuodines, or

~fter·binh

in womeo.

HEARING. Ihe fenfe whereby \Ve pereeive founds.

The organ or hearing is the ear, and partieularly

Ihe audilory nerve and membrane. See ANAfOto/V,

P· 29S,

This membrane, in Ihe various dcgrees or lenfion

aod relaxation, adapls ilfelf 10 Iho ftveral n,lIures dnd

lIales of fonorous bodics; beeoming leAre for Ihc re–

eeplion of aeute founds, and relatd for Ihe adrniluon

gr.ve

founds

In !hort, il is n:ndered Icnfe and

relaxed in a Ihourand di/Ftrenl degrtls. aeeordlng lO

lhe various degr:es of aeulenefs or ¡:ravi¡y in roundl.

Sound, Ihen, is io tlf,[t nUlhing uUt a certaio mo·

dulatioo of Ihe air, IVhieh being eollc[ted by Ihe ex–

ternal ear, pan'es through Ihe mealus audilorius, and

bcals upon Ihe membrane of Ihe Iympanum, \Vhieh

mOI'es Ihe bones in the lyAlpanum: Ihefe move Ihe

inlernal air, \Vhieh 6naJly eommunieales Ihe mOlion

Ihe audilory nerve, in the labyrinlh and eoehlea; and

aeeording as Ihevibralions are quiek or fiow, Ihe fouod

is eilher acule or grave.

deferves obrtrvalion, Iha! Ihough Ihe air be Ibe

ufual matter of Couads: fo Ihat if a bell be hung in

neuo, it \ViII nOI be heard al all; yel mor! olher ba–

dies, properly diCpofed, will do its offiee, ooty Come

more faintly Ihan olhers. Thus a found may be heard

through waler, or eveo Ihrough eanh, of whieh Ibere–

are various iollanees.

Ihe fighl

alli(led by Cpeélacles, or other glalJ'es¡

fo rhe

h~ring '

is enlivencd and rendered quiek, by

means of aeoullie infirumenlS; \Vhieh are of various

6gures, but for Ihe moll part bear fome reCemblaoee

to a trumpel, diverging aod growing wider lowards

tbe eXlernal moulh.

HEARSE, among fporlfmen, a hind of!he feeond yeac

of her age.

HEART,.io anatomy. See ANATO!1Y, pi 278.

Force o[ ¡h.

HEART. Several ingenious perfons

hav~,

from time to lime, attempted to make ertimms of Ibe

force of Ihe blood io Ihe hean and arteries: who have

as widely differed from eaeh other, as Ihey have from

lhe trulh, for waol of a fuRieienl oumber of data 10

argue upon. This Cet the \ruly ingeniou! Dr Hales

upon making proper expecimeolS, in'order 10 afeetlain

Ihe force of Ihe blood in the veios and aneries of [¡

veral animals.

lf,

aceording to Dr Keil's ellimale, the lefl Yeolri–

ele of a man's hean Ihrow OUI in eaeh fyllole an ouoee

or 1.638 eubieinehesof blood, and Ihe area of Ihe ori-

6ee of Ihe aorta be =0.4l87 ' Iheo dividing rhe for–

mer by Ihis, Ihe quotÍeuI 3.9 is Ihe lenglh of Ihe ey–

linder of blond, whieh is formed in pallin&- through

the aorta in edeh ry(lole of Ihe ventriele : aod in Ihe

feventy·five pulCes of a minule, a eylinder of 292.5

ioehes io lenglh will paCs ; Ihis is al Ihe rale of

146,

fw in an hour. BUI Ihe fyfiule of Ihe hcan being

performcd io ooe Ibird of Ihis lime, Ihe ,'eloeity of Ihe

blood in Ihal in(lanl \ViII be thnee as mueh,

~iz.

Ihe rale of 4386 fw in an hour, or 73 feer in a mi–

nute. And il the ventricle Ihroll's out one ounee in a

pulre, Iben in ¡he fevenly uve pulres of a miuute, Ihe

quanlily of blood lVill be equal 10 4.4

tt;

11 OZ. and,

io thirty-four minules. a q.uantilY equal 10

middle.–

fiz~d

man,

viz.

lS8

t;.

will pafs through Ihe heart,

Bur if, wilh Dr Harvey and Dr Lo\Ver,

\\'0

ruppofe

I\VO

ounees of

bl~od,

Ihal is, 3.276 eubie ioches, to be

Ihruwn out al eaeh r¡lIole of the ventrtele. Ihen Ihe

veloeilY of Ihe bfood In cnlering Ihe orifiee of Ihe

aorta, \\'ill be double Ihe fOt

ma,

viz.

al the rale of

146 feel in

minute, and aquantilY of blood eqtlal to

Ihe wtight. of a man's bod¡ \ViII pars in half Ihe lime,

lUZ.

minu:es.

\\'c

[¡'1,poC" what is probable, thal lhe blood 'will

rife

7+t

fcel high io a lube

rL~cd

10 Ihe carolide ar–

lery