ONA 
our cafe-makers, &c. its furface being rough with {mall tu- 
bercles. See ASIN 
A, in Botan ay. See Jussima and CENOTHERA. 
ONAGR&, the 88th natural order in Juffieu's fyitem, 
or the 6th of his r4th clafs, is fo called from Qnagra, the 
Tournefortian name of the Eveaieg Primrofe. (See CENo- 
¢ the charaGters of this clafs fee FicoipeR. 
The Ozagre are ranged next to the order laft mentioned, and 
characterifed as follows. 
alyx of one leaf, tubular, {uperior ; its limb divided, 
etals definite in num- 
the e calyx, alterrate with 
am 
pine oe 3 “tule gen 
cihes Gate. or divided. fruit capfular or pu 
rarely but half inferior, moftly of many cells, with numerous 
feeds, rarely of one cell only ; fometimes crowned with the 
limb of the . ; fometimes, from the falling off of that 
part, naked at fummit. Corculum without albumen. 
Stem either ace or fhrubby. Leaves alternate or op- 
polite. 
Seétion 1. Style manifold. Intermediate genera between 
the Oxagre ae icordee.— Here Jufficu places his rage 
(Vifnea of Linn. Suppl.) ; Vablia of Thunberg 
Va L- 
sr penne 3 and Cercodea of Solander, which is ie 
of Schreber. 
eG. 2. Style one. Fruit capfular. Stamens equal in 
number to the petals.—This fection confifts of Montinia, 
all Circea, and Ludwigia. 
Style one. Fruit capfular. Stamens twice as 
a as the petals. —Jufiea, Cnothera, ai Gaura, 
Cacoucia, Aubl. t.179, Combretum and Gute 
Sed. 4 fle one. Fruit pulpy. ii eesie akin to the 
Myris, cae differing i : aes number of their ftamens. 
—Thefe are Fuchfia, Petaloma (Mouriria of Aublet), Ophira, 
rig Memecylon, Jamboh ifera, Ejcallonia, Sirium, and San- 
order has made many fubfe- 
quent rem abe and coredtions efpeding » in the Annales 
du Mufeum d’ Hitt. Nat. v. 3. 315, where he terms it, ac- 
cording to a new plan ‘of ‘con ala, Onagrari His 
paper Is eaullates in Dr. Sims and Mr. Konig’s Acta of 
Botany, v. 1. ¢30.—Juffieu here adds to the o Econd {etion 
Trapa and Lopezia. He propofes to remove from the fourth 
Jambolifera, as not underftanding the vari $ giv 
of the latter by authors, becaufe they have piace, dif- 
ferent things under that As to fe&tion men- 
a or oye to his 
atacane ; and exprefles jult doubts concerning Vablia 
Heri ightly refers Proferpinaca with Myriophyllum to the neigh- 
bourhoed of Cercodia aloragis. 
is see to obferve that pee ee in this eflay, 
ee the firft fection, is, in his as ab 
t 
See the various genera 
in ie prope place 
OCK, in 1 Geography, a town < ou in 
the ftate a Virginia. N. lat. 37° 45’. W. long. 75° 4d’. 
ONANG.-SIUEN, atown of Corea; 40.miles $.S.W. 
ef Kang. 
ONC 
ONANIA, and Onanism, terms which fome late em- 
irics have framed to denote the crime of felf-pollution, men- 
tioned in {cripture to have bee oe ed by Onan, 
nifhed in him with death. Some t fo 
what in other places of {cripture, pa ee richlarly Levit. ch. x 
is called giving of feed to Moloch ; for which the sitianeat 
allotted is {toning to death. 
This is but ill warranted ; the ableft critics make them 
quite different things. Selden is pofitive the Jews, in imi- 
tation of 7 neighbours, aétualiy facrificed their children 
to Moloch. Others fancy they only made them pafs between 
two bie in order to obtain the idol’s favour and protection. 
See Motocu. 
ONANO, in Geography, a town . Italy, in the Patri. 
monio ; five miles S. of Aquapenden 
, atown of pie in the department of the 
Doubs ; 12 miles N.W. of Blamont. 
ONAPA, a town of Neg Mexico, in the province of 
Hiaqui; 40 miles N.N.E. of Riochico. 
ONAS, a town of Japan, in the ifland of Ximo;.22 
miles S. of Funai. 
ONATE, a town of Spain, in Guipufcoa; 22 miles 
N.E. of Vittoria. 
ONCA, in Zoology, a {pecies of the felis, in the Linnzan 
fyftem. See Frxis. 
ONCHA, in Geography, a town of er in the 
circar of Gohud ; 18 miles S. of Bandera. 
ONCHIDIUM, Oncu, in Zoo ie. a genus of the 
Vermes Moliufca a ae order; of which the generic 
charaéter is as follow: ody oblong, creeping, flat be- 
ser mouth placed a ee two feelers, fituate above the 
mout th; it has two arms, at ‘te fides of the head; the vent 
appearance it refembles 
iffers principally in » wanting the fhield afd lateral jon and 
ody abov 
is continrall in its fhene, 
the feelers are retratiile refembling thofe of the flug, 
arms are dilatable, folid, 
Riel to his Ca account, 
lufion to a couple of prominences onthe lip. His figure re- 
prefents one of thefe as oe o perfect a hook, that we 
prefume he had in view alfo that fenfe of the word oyxos. 
—Swartz. AG oe m. for oo 239. t. 3. f.2. Orchid. 77. 
tany, 180. t. i p- Pl. 
ra 
lafs sad a Cade Monandria. 
Ord. “Orchidew, Linn 
Gen. Ch. Cal. Perianth of three, rarely but two, ftalked 
leaves. Cor. Petals two, larger than the calyx, fomewhat 
wavy. Neétary a lip {preading from the bafe of the ftyle, 
lobed ; the ja oe lobe large, with two prominences on the 
upper fide of its difk. Stam. Anther a coundith deciduous 
lid, of two cells, between the Bib : the 
of pollen globular, in pairs, joined 
Pift. Germen inferior, flender, sang eladrets fy ere 
te 
