1000000030

391 / 1042

D p 443 D lt
tnnr.erre line. The body is every w.y brre! with
Iharp moveable prickles. It has nobelly.fios. There
are two frecies, .iz. l . The mioga, which is fphe.
lÍe,l, and has tri,ogular prickles. 1t is a oative of
Iodia. 2. The tryllrix, which is obloog, "ith cy '
liodrical priekles, and is a native of the Cape of Good
Hope.
DIOMEDEA, io oroithology, • genus beloogiog to the
order of anfms. The bill is llrait; the fuperior
mandible i, erooked at the point, and the lower one
i, truncated; the noflrils are oval, open, a little pro·
mioeot, aod placed on the fides. Thm are two fpe.
citl, viz. 1. The exul,ns, has pennated wings, aod
Ihree toes 00 eaeh fool. lt is the abbatros of Ed·
wards, aod is found io lhe oceao betwixt the tropics,
and at the Cape of Good Hope. It Bies pretty high,
feeds upoo ftyiog ftlh, aod is about the fize of a peli–
cao. 2. The demerfa, has 00 quill·feathers on the
wiogs; aod lhe feet have four toes, conneded toge·
ther by a meOlbraoe. lt is the black penguio of Ed·
wards, about the fize of a goofe, aod is found at the
Cape of Good Hope.
DIONYSIA, in Greeian aotiquity, folemoities io ho–
nour of Uacehus, (ometimes called by the geoeral
name of orgia; aod by the Romans bacchaoalia, and li·
beralia. See BACCHANALIA.
DIOECIA, io lhe Linn:m (yflemof botany. See Vol. 1.
p.635·
DIOMEDIS AVIS, io ornitbology. See PROCEL-
LARIA.
DIOPTRICS, the fcienee of refraélive vifion. See
O'T1CS.
DIOSCOREA, io botany, a genus of the dioecia hexan·
dria clafs. The calix both of the male and female
confifls of fix [egments, anJ they have no eorolla.
The female has three flyli; the cap(ule is comprelTed,
has three cells, and contains two membranaeeous (eeds.
There are eight (pecies, oone of tbtm natives of lb ·
taio.
DIOSMA, iD botaoy, a geous of the peotaodria 01000·
gyoia dafs. The corolla has fi ve petals; aod the nec·
tarium is Ihaped like a erowo, is divided into five [eg–
meots, aod fituate above the germeo ; il has fi ve uoi·
ted capfules; aod the [eeds are furnilhed wtth call'P'
tl1l. 'Otere are oioe (pecics, oooe of them oatives of
Britaio.
DIOSPYROS, io botany, a geous of the p~lygamia di·
oeeia dafs. The calix of the hermaphrodite has (our
fegmeots, aod the eorolla i. uoceolated, aod has four
fegmeots; it has eight lI,mina, aod a quadrifid lIylus ;
aod the berry cont.ios eight feeds. 'fhe ealix, 6e.
~f the male are the filme with the above. There are
tillO (peeies, oooe uf them natives of Bri taio.
DIOTOTHECA, in ~Otaoy. See MO RINA.
DIPHTHONG, io R"mom, a donble vowel, or the
mixture of two vowcls pronocoeed tog! ther, (o as tO
make one fyllable. !iee GR,tM"AK.
DII'HYES, :lIuoog natural , . n appellation gi.
ven lO lIooes r&mIJling the mlle aod (eotdl~ partS uf
generatioo io m.okiod
DIPLOE; io aO.lOm)', the foft meditulhum, or medul
Iary fubllance, which Jies betweeo the two lamin", oí
the booes of the eraoium. See AWATOMY, Pan l.
DIP~ '0 illflru:nent or lieeoee giveo by eo!leges,
[omues, &". to a dergymao tO exerei(e the ouoille–
,ial funélioo, or to a phyficiao 10 praélife ,he profef.
fioo, &" after palliog examioatioo, or admittiog him
tO a degree.
D"LUMA, in chemiflry, &e. a double 'elTel. To boil
i~ dipl?mate, is to fet ooe NlTel, eontaioiog the iogre.
dlents tnteoded tO be a/lcd upoo, in another I¿rger
velTel full o( water, aod to this lafl the fire is to be
applied.
DIPONDIUS~ io the fcripture.language, is ufed by St
Luke to figo,fy a cemio coio, whieh was of very lit–
tic value: our traotlatioo of the palTage is, A" n~t
t,v. fparrqwl (old l" /w. IIf/hing' ? lo St Mat·
thew, \Vho relates tbe fame thiog, we read, A" mt
/w. (parr~1 flld l" alarlhing ?
DIPPfNG, amoog mioer5, fignifies the ioterruptioo, or
b~eaktng off, of the veios of ore; ao aecident thlt
gtves thema great deal of trouble befare they cao dir.
eover the ore agaio.
DlPSACUS, or TE~SEL, io botaoy, a genlls of the
tet, aodrra monogynra da(s. l'he eommoo calix coo.
fi(!s of maoy leaves, aod the proper ooe is above the
froit; aod the receptade is p¿leaeeous. There a,e
tbree (pecies, all natives of Britaio, viz. the (ullo.
oum, or manured tcarel; the (l'lvefl,is, or wi!d tea.
fel; aod the pilo(us, or fmall wild teafel.
DIPSAS, io 20010gy. See CO LUBE R.
DIPTOTES, io grammar, are fuch nouns as have ooly
two eares, as/up!(/i.r, {uNe/ial, &c.
DIPTYCHS, io aotiquity, a public regifler, in which
were writtCo the names of the con(uls and other magi–
nrates among the heatheos; ¡nd amoug the Chrillialls,
they were a [on of tabletS, 00 ooe of which wcre
written lhe oames of the deeea(ed, and 00 tbe other
thofe of the liviog patriarchs, bilhops, &c. or tho(e
who had done any [e"ice to the chufch, for whom
prayers were offered, the deacoo readiog the oames at
mafs.
DIRECTION, io mechanies, f¡gnifies the lioe or path
of a body's motion, along whieh it endcavours tO
proceed, aceoreliog to the furee imprctred upoo it. See
MECHANtCS.
DIR.ECTOR, in commercial polity, a perfoo who has
the maoagement of the atl'airs of a trading compao)' :
thus we fay, the diredors of the InJia compan)',
South,fea.eompany. 6e. See COMPAH.
'1he Jireélors are confidmblc proRfietors i" the
nocks. of t"eir refpcélil'e eomp.nics, h~inc ~hof<o b)
plura1ny of votes from among.the boJy of prupri~tors
Thc Duteh E.n·Iodia comp,ny hm fi~ty fueh d,–
" élors; t1w of Frao~e, twcnty ooe; the Britilh
lndi, ~oll1pany has twenty.(our, inclutling the
ch"i"uall, \Vho nuy be re eleél·!d for lour )'ears (i,e·
rcilivdy. 1 h"fe lall have (,:arie, of I ¡ol. a·vm
('ach, alld the ch,irllMo 200 1. They me:t at bu
unce a ,"cok, .IId ~OOlOlOllly o(teoc,', b,illg li,mlllotl~d
as oe«fion requires.
D' KE trOR, in furgc,y, a grooved rrvb:, to Jir"t'I I~e
cJ¡;C